Tag: Russia

Russia completes 1st test, suborbital, of its new Soyuz-5 rocket

8:21 am

According to Russia’s state-run press, it successfully completed the first suborbital test flight of its new Soyuz-5 rocket, the rocket lifting off from Baikonur in Kazahkstan on April 28, 2026 carrying a dummy payload.

A special launch was conducted today as Soyuz-5, a new Russian carrier rocket with the world’s most powerful liquid-fuel engine, blasted off. <...> Operating the rocket will make it possible to substantially reduce the unit cost of the payload capacity. This will have a positive impact on the economics of space launches,” the Russian state-owned space corporation quoted its CEO Dmitry Bakanov as saying.

The rocket will eventually be able to place about 17 tons in low Earth orbit, making it more powerful than the Soyuz-2 — now used to launch capsules and satellites — but less powerful than Russia’s Proton rocket, used to launch station modules and other more demanding missions.

Soyuz-5 however is not reusable, so it will remain more expensive to use that the new rockets being developed everywhere else outside Russia. Like all of Russia’s rockets, stages will continue to fall inside Russia with each launch. In this case, the first stage and fairings crashed somewhere in Russia, while the second stage splashed down in the Pacific.

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Two launches today, by China and Russia

3:30 pm

Both China and Russia completed launches today. First China put a Pakistani Earth observation satellite into orbit, its Long March 6 rocket lifting off from Taiyuan spaceport in north China. China’s state-run press made no mention of where the rocket’s lower stages, using very toxic hypergolic fuels, crashed inside China.

Next Russia launched a Progress cargo capsule to ISS, its Soyuz-2 rocket lifting off from Baikonur in Kazakhstan. The freighter will dock with ISS in two days.

The leaders in the 2026 launch race:

49 SpaceX
23 China
8 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 42.

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Soyuz launch site destroyed at French Guiana

9:56 am

As promised, the Soyuz-2 launch site at France’s French Guiana spaceport was destroyed in a controlled explosion yesterday.

I have embedded video of the explosion below.

The remaining infrastructure at the site—including the assembly and testing complex, railway lines, liquid oxygen storage facilities, and fueling systems—will be transferred to MaiaSpace, a French startup affiliated with Arianespace. The company plans to reuse up to 80% of the existing infrastructure for its own launch vehicle program.

MaiaSpace is not “affliated with Arianespace.” It is a wholly owned subsidiary of ArianeGroup, the company that makes the much larger rocket Ariane-6. The company hopes MaiaSpace’s smaller Maia rocket can capture some of the smallsat business presently owned by Rocket Lab and SpaceX.

The Russians had almost a dozen launches scheduled from this launchpad, worth more than a billion dollars in revenue, when Putin decided to invade the Ukraine in 2022. Russia immediately became a pariah to the rest of the work. That revenue instantly vanished and the companies found other launch providers.

Europe meanwhile gave control of French Guiana back to France, which owns it. France in turn has now been leasing out the unused launchpads there to new rocket startups. Though some pie-in-the-sky academics lobbied to preserve the Soyuz launchpad for “historical reasons”, the French had no desire to do so. Better to make money.
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Russia launches the smallest version of its Angara rocket

9:34 am

Russia today successfully launched the smallest version of its Angara rocket, dubbed Angara-1.2, from its Plesetsk spaceport in northeast Russia, placing a number of classified payloads into orbit.

Russia’s state-run press released almost no information about this launch, partly because of its military nature but also because it has discovered recently that the Plesetsk spaceport is within range of Ukrainian drones, with one attack causing a launch to be scrubbed.

The leaders in the 2026 launch race:

49 SpaceX
21 China
7 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 39.

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Two launches since yesterday, by Russia and China

8:26 am

The launch beat goes on! Russia and China each completed launches since yesterday, with Russia first placing a classified military payload involving “multiple spacecraft”, its Soyuz-2 rocket lifting off from its Plesetsk spaceport in northeast Russia. The rocket’s flight path took it over the Arctic, so the core stage and four strap-on boosters fell harmlessly in the ocean.

Next, China placed what it claimed was a “high-precision greenhouse gas detection” satellite into orbit, its Long March 4C rocket lifting off from its Jiuquan spaceport in northwest China. China’s state-run press provided no other information. Nor did it indicate where the rocket’s lower stages, using very toxic hypergolic fuels, crashed inside China.

The leaders in the 2026 launch race:

46 SpaceX
21 China
6 Russia
5 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 46 to 37.

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Latvia to sign Artemis Accords

3:27 pm

NASA announced today that Latvia will be signing on to the Artemis Accords on April 20, 2026, becoming the 62nd nation to join this American alliance in space.

The Republic of Latvia will sign the Artemis Accords during a ceremony at 9 a.m. EDT Monday, April 20, at NASA Headquarters in Washington. NASA Administrator Jared Isaacman will host Dace Melbārde, Latvia’s minister for education and science; Jānis Beķeris, chargé d’affaires at the Embassy of the Republic of Latvia to the United States; and Jacob Helberg, under secretary of state for economic affairs at the U.S. Department of State.

With this signing, all three of the Baltic states that were once occupied and part of the Soviet Union have now joined this American alliance. So have the former Soviet provinces of the Ukraine and Armenia, as well as the nations of Bulgaria, Czech Republic, Slovakia, Hungary, Poland, Romania, and Slovenia, all of which were once part of the Soviet Bloc, behind the Iron Curtain. In fact, almost all of Russia’s neighbors in Europe have allied themselves with the U.S. Artemis space alliance. It does appear that Putin’s stupid effort to recapture the Ukraine has backfired badly, encouraging these nations to come to us out of fear of the aggressive tyrant on their borders. These nations also probably recognize that Russia’s space effort is a Potemkin Village, hollow and of little worth. If they want to go to space, they need to align themselves with American technology.

The full list of all signatories to this American space alliance:

Angola, Argentina, Armenia, Australia, Austria, Bahrain, Bangladesh, Belgium, Brazil, Bulgaria, Canada, Chile, Colombia, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, India, Israel, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Mexico, the Netherlands, New Zealand, Nigeria, Norway, Oman, Panama, Peru, Poland, Portugal, Romania, Rwanda, Saudi Arabia, Senegal, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Thailand, the Philippines, the United Kingdom, the United Arab Emirates, the Ukraine, the United States and Uruguay.

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Russia’s latest plans for its post-ISS space station

8:12 am

The present Russian plans to transition from ISS to its Russian Orbital Station
Click for full resolution image.

Anatoly Zak yesterday posted the picture to the right, showing a presentation by Russian officials of Roscosmos’ latest plans for its transition from ISS to their own Russian Orbital Station (ROS). Though it is in Russian, I think I can glean from it some significant take-aways about Russia’s future space plans.

First, if these plans proceed as planned (doubtful based on Russia’s track record in the past three decades), at some point in the next four years they will attach a new module to ISS, docking with the Prichal docking hub, launched in 2021. Then in 2030 they will undock this new module as well as Prichal and the Nauka module, which also launched in 2021, and use these three modules as the core of their new station.

That 2030 date is significant, as it is an admission by Russia that it intends to stay with ISS until then. Up till now Roscosmos has only committed to ISS through 2028, even though NASA and its partners at ESA and Japan have set 2030 as ISS’s present retirement date.

Second, they plan to add more modules to this core station, beginning in 2031, and by 2034 to have completed a four-module cross-shaped station with Prichal as the central hub. That completion date is one year later than the timeline Russia announced in 2024, when it claimed ROS would be completed in 2033. That 2024 timeline also said ROS’s first module would be launched in 2027, but the graphic to the right no longer gives any date for that launch. I suspect 2027 is extremely unlikely.

Finally, don’t expect the new modules promised in the 2031-2034 timeframe to launch on schedule either. As I note above, all Russian space projects in this century have routinely been delayed repeatedly, with most never launching at all.

This plan also makes no mention of an agreement with India in December 2025 to coordinate the construction of its station with Russia’s, flying both in the same inclination presently used by ISS. This is not really a surprise, as both projects will operate independently, so that delays in one do not impact the other.

Hat tip BtB’s stringer Jay.

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Russia launches classified military payload; China has a launch failure

9:11 am

There were two additional launch attempts yesterday by China and Russia, with mixed results.

First, the Chinese pseudo-company Space Pioneer attempted the first launch of its Tianlong-3 rocket, designed essentially as a Falcon 9 copy. China’s state-run press provided no details of the failure, but video of the launch appeared to show uneven engine thrust beginning at about 33 seconds after launch, and the rocket terminating its flight about two minutes later.

Next, Russia placed a classified military payload into orbit, its Soyuz-2 rocket lifting off from its Plesetsk spaceport in northwest Russia. It is believed this could be a military communications satellite, but this is also unconfirmed. The rocket dropped its lower stages and fairings at several different places inside Russia.

The leaders in the 2026 launch race:

41 SpaceX
16 China
5 Rocket Lab
5 Russia

SpaceX continues to lead the entire world combined in total launches, as it did in both ’24 and ’25.

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Russia launches the first 16 satellites in its own internet satellite constellation

8:46 am

In a rare unannounced launch, Russia yesterday placed the first 16 satellites in its proposed 700+ satellite Rassvet internet constellation into orbit, its Soyuz-2 rocket lifting off from its Plesetsk spaceport in northeast Russia in a polar orbit that dumped the rocket’s lower stages in the Arctic ocean.

The satellites are built by the Russian pseudo-company Bureau-1440, which hopes to have the entire constellation in orbit by 2035. Considering that this constellation is designed to compete with Starlink, its pace of launch is ridiculously low. SpaceX can generally launch 700 Starlink satellites in about a month, not ten years. By the time Russia gets this constellation in orbit it will be woefully obsolete.

The launch was originally supposed to occur several days earlier, but for reasons that were never explained never took place. This was not a classified military launch, but one that Russia wants to publicize as it struggles to compete with SpaceX and China in launching new satellite constellations. That Russia provided no details beforehand suggests that the increasingly successful use of drones by the Ukraine on Russian assets forced that secrecy.

The leaders in the 2026 launch race:

37 SpaceX
13 China
4 Rocket Lab
4 Russia

SpaceX continues to lead the entire world combined in total launches, as it did in both ’24 and ’25.

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Progress docks with ISS

8:25 am

A Russian astronaut successfully docked a Progress cargo capsule with ISS early today, using the manual TORU joystick system inside the station.

Sergey Kud-Sverchkov manually piloted the spacecraft during docking using the TORU (Telerobotically Operated Rendezvous System) control panel inside the space station’s Zvezda Service Module after one of the spacecraft’s two KURS automated rendezvous antennas failed to deploy after launch.

Normally each Progress docks autonomously, using the Kurs radar antennas to determine distance and location. With one antenna out Kud-Sverchkoy controlled the capsule remotely. This back-up system has been used successfully a number of times previously, but when it was first being tested on Mir in the 1990s one of those earlier tests resulted in a collision that almost destroyed Mir. It did damage one module badly enough that it leaked from then on, requiring that module to be sealed off for the rest of Mir’s life.

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Three launches today from three continents and three nations

2:59 pm

The global launch pace continues, with three launches today. First, Russia launched a new Progress cargo capsule to ISS, its Soyuz-2 rocket lifting off from its repaired launchpad at Baikonur. That launchpad had experienced serious damage to an access platform during the previous launch in November 2025, and since it was the only pad that Roscosmos could launch payloads and crews to ISS, Russia committed heavy resources to get it fixed quickly.

Once Progress reached orbit, however, one of the antennas used by its Kurs automatic docking system failed to deploy. If engineers can’t get it opened by the time of docking, scheduled for March 24, 2026, the Russian astronauts on ISS will use the back-up TORU system, whereby they control the spacecraft manually from inside ISS.

Next, SpaceX placed another 29 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Cape Canaveral Space Force station in Florida. The first stage (B1078) completed its 27th flight, landing on a drone ship in the Atlantic, only 20 days after its previous flight. This flight also moved the booster up to just behind the space shuttle Columbia in the rankings of the most reused launch vehicles, tying it with SpaceX booster B1077:

39 Discovery space shuttle
33 Atlantis space shuttle
33 Falcon 9 booster B1067
32 Falcon 9 booster B1071
31 Falcon 9 booster B1063
30 Falcon 9 booster B1069
28 Columbia space shuttle
27 Falcon 9 booster B1077
27 Falcon 9 booster B1078

Sources here and here.

At the pace SpaceX is reusing its fleet of Falcon 9 boosters, expect Columbia to drop off this list in about two months.

Finally, China launched 10 smallsats, according to China’s state-run press, for a planned 160-satellite GPS-type constellation, its Smart Dragon-3 rocket (also called Jielong-3) lifting off from an ocean platform off the northeast coast of China. Video here of launch.

The leaders in the 2026 launch race:

37 SpaceX
13 China
4 Rocket Lab
3 Russia

SpaceX continues to lead the entire world combined in total launches, as it did in both ’24 and ’25.

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SpaceX completes a Starlink launch

2:14 pm

UPDATE: It appears The Russian launch described below did not occur as indicated by the story I linked to. There is no confirmation anywhere on the web that the launch occurred. If it had, the nature of the payload would have guaranteed some story in Russia’s state-run press. See also this X post, which suggests the lack of information about the scrub is related to Russian concerns about Ukrainian drone attacks.

Original post
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There were two launches today, both of which sent up a cluster of satellites for broadband internet constellations.

First, Russia launched the first 16 satellites in its proposed 700+ satellite Russvet internet constellation, its Soyuz-2 rocket lifting off from its Plesetsk spaceport in northeast Russia. The satellites are built by the Russian company Bureau-1440, which hopes to have the entire constellation in orbit by 2035. Considering that this constellation is designed to compete with Starlink, its pace of launch is ridiculously low. SpaceX can generally launch 700 Starlink satellites in about a month, not ten years. By the time Russia gets this constellation in orbit it will be woefully obsolete.

SpaceX meanwhile proved this point today by continuing its brisk pace in Starlink launches. It successfully placed 29 more Starlink satellites in orbit, its Falcon 9 rocket lifting off from Cape Canaveral Space Force Station in Florida.

The first stage (B1077) completed its 27th flight, landing on a drone ship in the Atlantic, only 26 days after its previous flight. This flight also moved the booster up to just behind the space shuttle Columbia in the rankings of the most reused launch vehicles:

39 Discovery space shuttle
33 Atlantis space shuttle
33 Falcon 9 booster B1067
32 Falcon 9 booster B1071
31 Falcon 9 booster B1063
30 Falcon 9 booster B1069
28 Columbia space shuttle
27 Falcon 9 booster B1077

Sources here and here.

The leaders in the 2026 launch race:

35 SpaceX
12 China
3 Rocket Lab
2 Russia (corrected)

SpaceX continues to lead the entire world combined in total launches, as it did in both ’24 and ’25.

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Russia completes repairs to Soyuz-2 launchpad at Baikonur

8:47 am

According to Roscosmos, it has completed the repairs to Soyuz-2 launchpad at Baikonur, and will do launch a Progress freighter to ISS on March 22, 2026.

According to the State Corporation, a total of 150 workers from four contractor organizations prepared and painted 2,350 square meters of structures, replaced all the attachment devices, replaced and tuned up electric equipment and inspected or serviced all the systems and mechanisms of the service platform. The team also made 250 welding lines.

The most complex task was the installation of the platform elements, some of which had a length of 19 meters and mass of 17 tons, which required a development of special methodic, Roskosmos said.

The State Corporation confirmed that the first mission departing from the repaired launch pad at Site 31 was scheduled for March 22, 2026, carrying the Progress MS-33 cargo ship to the ISS.

For Russia, this repair was completed remarkably fast. But then, the Russians generally get things done fast when it is absolutely essential to do so. Without that pad, Russia had no way to launch any astronauts in space. Nor could it send supplies to ISS. A delay would have been very public and embarrassing.

If there is no immediate need, however, its projects drag on endlessly.

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Cargo Dragon successfully returns to Earth

11:49 am

A cargo Dragon capsule successfully splashed down in the Pacific late Thursday, February 26, 2026, bringing back several thousand pounds of hardware and experiments.

The ship had been docked at ISS for the past six months, during which it used its engines six different times to raise the station’s orbit. That capability has traditionally been done by Russian Progress freighters, but NASA has been testing other options as they are unsure Russia will remain with the station after 2028. Furthermore, there are risks using Progress to do these reboosts, as the burns take place when Progress is docked to its Zvezda module port, and the hull of the Zvezda module has been developing stress fractures in the past five years that could catastrophically fail.

Not only has Dragon now demonstrated this boost capability, so has Northrop Grumman’s Cygnus capsule.

I strongly expect Russia to stick with ISS for as long as it can, mainly because its own proposed new space station is not likely to launch as presently scheduled later this decade. Since the fall of the Soviet Union, Roscosmos has consistently been unable to complete almost any new proposed projects, and the few it has completed launched literally decades late.

Figure 3 from September Inspector General report
Figure 3 from September 2024 Inspector General report, showing Zvezda’s location on ISS, as well as the station’s leak rate at that time. The leaks in Zvezda now appear to have been sealed, but there is no guarantee more stress fractures will not appear as dockings continue at its port.

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Four launches today with mostly positive results

10:15 am

This morning saw a string of launches from China, Russia, America, and Europe, with all four appearing to get their payloads into orbit though the American launch, by ULA’s Vulcan rocket, appeared to have a problem with one of its solid-fueled boosters.

First, a Chinese pseudo-company owned entirely by a Chinese government agency successfully placed seven satellites in orbit, its Smart Dragon-3 rocket (also called Jielong-3) lifting off from a platform off the coast of northeast China. Of the satellites, the prime payload was a Pakistani Earth observation satellite.

Though this launch was from a pseudo-company, I think I can safely say that the pause in launches by China’s so-called commercial market continues. Smart Dragon-3 was built by the China Aerospace Science and Technology Corporation (CASC), which while structured as a private company is owned and controlled by several agencies of the Chinese government.

Next, Russia successfully launched a new weather satellite, its Proton rocket launching from Baikonur in Kazakhstan. This was the first Proton launch in three years, a pause partly because Russia is in the process of retiring that rocket. The lower stages crashed in a range of spots in Kazakhstan and across southern Russia, just missing China in two places.

The American company ULA then followed with its first launch in 2026, its Vulcan rocket lifting off from Cape Canaveral in Florida and carrying two military satellites designed to track other satellite operations in high geosynchronous orbit.

Unexpected debris falling from rocket at about T-1:00
Unexpected debris falling from rocket at about T-1:00

While it appears the launch was able to get the satellites into their correct orbits, the Vulcan rocket had an issue during the launch. According to ULA, one of the rocket’s four solid-fueled boosters had a problem during its flight. More details can be found here, suggesting the booster, built by Northrop Grumman, might have had a been a failure of the booster’s nozzle, similar to the same burn-through that occurred on a booster during Vulcan’s second launch in 2024, and also occurred during a Northrop Grumman static fire test in 2025.

This issue is likely going to delay further Vulcan launches, and will likely make it impossible for ULA to meet its goal of launching 16 to 18 Vulcan missions this year. It will also raise hackles within the Pentagon, which certified Vulcan for military launches in 2025. That certification will likely be questioned, and possibly even pulled.

Finally, Arianespace sent 32 Leo satellites into orbit for Amazon, its Ariane-6 rocket lifting off from French Guiana. This was the first Ariane-6 launch in its most powerful variant, using four strap-on boosters.

Amazon has now launched 212 Leo satellites. Its FCC license however requires it to have 1,616 in orbit by July. The company has requested a waiver on that requirement, and is likely to get it, since it is now demonstrating that it is serious about launching the constellation.

The 2026 launch race:

16 SpaceX
8 China
2 Rocket Lab
2 Russia
1 ULA
1 Europe (Arianespace)

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Has Roscosmos gotten its Baikonur Soyuz-2 launchpad fixed already?

8:18 am

According to a short sentence added today at the end of Anatoli Zak’s ongoing report on the damaged Soyuz-2 launchpad in Baikonur, Russia’s space agency Roscosmos has completed repairs on that pad early.

According to rumors from Baikonur, the new service platform was installed at Site 31 by Feb. 10, 2026.

That’s it. No other information. Furthermore, this follows the last report from a Roscosmos official in late January where he said repairing the pad by March was facing difficulties due to winter weather and delays in getting replacement parts.

The launchpad had become unusable following the last launch in November when a platform used to prepare the rocket fell into the pad’s flame trench. It had not been attached properly.

As this report is based on rumors and very limited information, it must be treated with caution.

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Russia in discussions with Malaysian province about potential spaceport

1:49 pm

Proposed spaceports in Malaysia
Proposed spaceports in Malaysia

Officials from Glavcosmos, the commercial division of Russia’s Roscosmos space agency, have been holding meetings with officials from the Malaysian province of Sabah about building a spaceport there.

Glavkosmos said technical studies identify Sabah as the most suitable location in Southeast Asia for orbital launches, including low-earth and sun-synchronous orbits, due to its strategic geography and safe rocket stage drop zones. The proposed spaceport could create more than 2,000 high-income jobs and boost local supporting industries.

One year ago, in January 2025, the Sabah government announced it was holding similar discussions with the Ukraine. It seems either those talks fell through, or Russia decided to move in and block the Ukraine from making a deal.

A second Malaysian state, Pahang, is also planning a spaceport, working instead with China.

In all cases, it does appear for some reason Malaysia is not very interested in working with western nations.

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Russian defunct military satellite breaks up in graveyard orbit

1:42 pm

A Russian defunct military geosynchronous satellite that was launched in 2014 and spent a decade spying on other geosynchronous satellites only to be moved to a graveyard orbit in 2025 when its fuel ran out apparently broke apart earlier today.

The Swiss company S2A systems, which specializes in tracking orbital objects, captured the moment the spacecraft began disintegrating. I have embedded that footage below, though it really is far less exciting than it sounds.

The debris poses a very small risk to other geosynchronous satellites, which orbit at about 22,000 miles elevation where there is too little atmosphere to decay orbits. The graveyard orbit is several hundred miles higher.
» Read more

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Russian official says Soyuz launchpad repair likely delayed

9:48 am

According to the Russian official in charge of ground infrastructure at Roscosmos, the repair of Russia’s only Soyuz launchpad for launching Progress and Soyuz capsules to ISS might not be completed by late March, as Roscosmos has previously promised.

It appears the winter weather at Baikonur is causing issues. In addition:

Barmin explained that the new service platform had to be assembled from components manufactured at different times and sometimes mismatching each other, requiring on-site modifications. For example, the core of the spare platform was manufactured in 1977 in accordance with a different set of blueprints for a planned-but-never-implemented refurbishment of another Soyuz pad, Barmin said. When it was shipped from an arsenal in the city of Tambov to Baikonur, the set of hardware was incomplete, requiring it to be complemented with parts from other sources and with newly manufactured elements.

It also appears the Russian government is going to make scapegoats of the workers who handled the launch platform during the November 2025 launch. It has placed them under criminal investigation. The managers, whom according to one report demanded the launch take place even though these workers could not get the platform properly fastened in place, appear to have been cleared of wrong-doing.

Until this pad is repaired, Russia has no way to launch any manned missions. Nor can it send cargo to ISS.

The decision to scapegoat the workers will further hinder work, as it will certainly damage morale. Such an approach also helps explain why there has been several cases of sabotage of Soyuz and Progress capsules while they are being prepped for launch.

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Russia delays launch of its own “Starlink” constellation

9:33 am

I’m shocked, shocked! According to news reports in Russia yesterday, Roscosmos has now delayed the initial launches for its own copycat “Starlink” constellation because the production of the satellites has fallen behind schedule.

In September 2025, Roscosmos head Dmitry Bakanov promised that by the end of 2025, the first 300 satellites would begin to be deployed in orbit as part of the Rassvet project. They are supposed to become “an analogue of the Starlink system” and provide “access to the internet at any geographical point.”

According to the publication, the postponement of the launch of the first 16 devices until 2026 may be due to the fact that the required number of satellites has not yet been assembled.

The project is being run by a Bureau 1440, supposedly a private Russian commercial company that is providing two thirds of the $5.7 billion budget, with the Russian government picking up the difference. It claims it will begin launching this year and have 318 satellites in orbit by 2028.

Wanna bet? Russia has not been able to complete any space project on time in decades, and even when its projects do finally launch, each routinely has had serious technical and quality control issues.

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NASA: The leak in the Zvezda module on ISS has apparently been sealed

10:51 am

According to one NASA official, the leaks in the Zvezda module on ISS that have been on-going for more than five years have apparently all been sealed.

However, recently two sources indicated that the leaks have stopped. And NASA has now confirmed this. “Following additional inspections and sealing activities, the pressure in the transfer tunnel attached to the Zvezda Service Module of the International Space Station, known as the PrK, is holding steady in a stable configuration,” a space agency spokesman, Josh Finch, told Ars. “NASA and Roscosmos continue to monitor and investigate the previously observed cracks for any future changes that may occur.”

While good news, no one should feel sanguine. The leaks occurred because the hull of Zvezda has developed stress fractures, due to age (more than a quarter century in orbit) and the repeated dockings to its aft port. Future fractures and leaks are still possible, with the chance of a catastrophic failure very possible.

It would be prudent for NASA to continue to shut the hatch between the U.S. and Russian halves of the station, whenever a docking is taking place.

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Russia’s early warning satellite constellation is apparently no longer functioning

8:32 am

The satellites in Russia’s constellation for giving its military early warning of missile attacks, dubbed EKS, have been one-by-one failing in recent years, and it now appears the last one has now experienced a malfunction as well.

After the launch of the 6th Tundra satellite in 2022, the Russian military seemingly gave up on the effort to deploy the EKS early warning constellation or, possibly, the industry was simply unable to build new satellites due to technical problems associated with the Western sanctions and/or financial problems. No fresh satellites were launched into the network in the following three years, while, according to an analyst of the Russian strategic nuclear forces Pavel Podvig, the orbital tracking indicated that from March 2025 to December of the same year, the number of operational Tundra satellites fell from three to just one, possibly as a result of in-orbit failures.

…As of December 2025, Kosmos-2552 (EKS-5) was the only satellite within the EKS system which did not show a clear sign of failure, according to Podvig, but the spacecraft did miss a maneuver expected in November 2025, based on the usual pattern of its detectable orbit adjustments.

None of this is a surprise. Russia’s invasion of the Ukraine has not only isolated the country, it has crippled it in numerous ways, both financially and technologically. It no longer has access to many western high tech components it had relied on, and the loss of all its international launch customers has left its rocket industry devoid of hard currency.

Thus, when Russia makes any grandiose claims about its future space plans, it is wise to harbor great doubts.

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Russia launches more than fifty satellites

11:03 am

Russia today successfully launched more than fifty satellites, its Soyuz-2 rocket lifting off from its Vostochny spaceport in far eastern Russia.

The main payloads were two Russian Earth imaging satellites, both dubbed Aist-2T

In addition to the launch of the Aist-2T pair, the same Soyuz-2-1b rocket was also booked to carry 50 dual-purpose secondary payloads, ranging from light-weight experimental satellites down to an assortment of educational cubesats and a small carrier platform, itself designed to release the tiniest satellites known as pikosats. A total of 33 payloads were to be deployed from 17 launch containers provided by Moscow-based Aerospeis Kapital.

The most notable secondary payloads on the mission were two Marafon-IoT experimental satellites, developed at ISS Reshetnev and intended for paving the way to the so-called Internet-of-Things satellite system, however, by the time they reached the launch pad, the main project was facing cancellation due shrinking Russian space budget.

The most significant foreign payload on the Aist-2T mission was a trio of Iranian dual-purpose satellites all intended for remote-sensing of the Earth’s surface. Other small foreign payloads were ordered by various institutions in Montenegro, Kuwait, Qatar, Ecuador and Belarus. [emphasis mine]

Russia continues to show an inability to get anything of substance into orbit due to a lack of capital, caused by Putin’s policies of squelching competition and invading other countries.

The leaders in the 2025 launch race:

168 SpaceX
88 China (a new record)
18 Rocket Lab
17 Russia

SpaceX still leads the rest of the world in successful launches, 168 to 148.

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Russia launches classified weather satellite

9:47 am

Russia today successfully placed a long delayed first satellite in a new series of weather radar satellites, its Soyuz-2 rocket lifting off from the Plesetsk spaceport in northeast Russia.

The satellite, Obzor-R1, was originally proposed in 2015 for launch in 2019. It was placed in a polar orbit, so the rocket’s lower stages all landed in the oceans north of Russia.

The leaders in the 2025 launch race:

168 SpaceX
86 China
18 Rocket Lab
16 Russia

SpaceX still leads the rest of the world in successful launches, 168 to 145.

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Software issue forces Russia to delay Proton launch until next year

11:28 am

Because of a software issue detected once the rocket was arrived in Baikonur, Russia has been forced to delay one of its last Proton launches from next week until next year, with the new launch date undetermined.

[O]n Dec. 13, 2025, final checks revealed a problem in the Block DM-03 upper stage which forced to postpone the launch, Roskosmos announced. According to the Zakryty Kosmos Telegram channel, a software issue will require the return of the rocket back to the processing building and the disassembly of the payload section. The potential need to ship the onboard avionics back to the manufacturer would likely push the mission well into 2026.

Proton has largely been retired, though it appears it has some undetermined number of military and government launches left on its manifest. In 2023 there were discussions to restart its assembly line, but nothing since has been announced.

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More details revealed about what caused the damage on that Russian launchpad

10:46 am

Anatoly Zak at russianspaceweb.com has uncovered more details behind the collapse of the mobile platform at Russia’s only manned launchpad at Baikonur.

According to one rumor from Baikonur, the mobile platform was retracted and moved back to the rocket as many times as five times, as the specialists tried unsuccessfully to secure it in its parking position inside its shelter, after the routine call to retract the platform had been issued during the final countdown less than an hour before launch.

When the personnel was finally ordered to evacuate the pad some 30 minutes ahead of the liftoff, the decision was made to leave the platform in its parking position inside its shelter without securing it properly rather then to postpone the launch. It was not immediately clear who made a decision to proceed with the launch despite this clear violation of launch criteria.

The veterans of the center speculated that the mission management had been under pressure to go ahead with the launch so not to disappoint high-ranking officials and as many as 3,000 paid tourists who came to the remote center to witness the event.

Sounds remarkably reasonable. Zak’s report also adds that Russian officials say they will have a new mobile platform in place and the launch pad operational by April 12, 2026, the day when Russians annually celebrate Yuri Gagarin’s first human flight in space.

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Three astronauts return from ISS in Soyuz capsule

9:09 am

Early today one American and two Russians safely returned to Earth, their Soyuz capsule touching down on the plains of Kazakhstan after spending more than eight months on ISS.

NASA astronaut Jonny Kim returned to Earth on Tuesday alongside Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, wrapping up an eight-month science mission aboard the International Space Station to benefit life on Earth and future space exploration. They made a safe, parachute-assisted landing at 12:03 a.m. EST (10:03 a.m. local time), southeast of Dzhezkazgan, Kazakhstan, after departing the space station at 8:41 p.m. on Dec. 8, aboard the Soyuz MS-27 spacecraft.

Over the course of 245 days in space, the crew orbited Earth 3,920 times, traveling nearly 104 million miles. They launched to the space station on April 8. This mission marked the first spaceflight for both Kim and Zubritsky, while Ryzhikov completed his third journey to space, logging a total of 603 days in space.

There remains on ISS one Soyuz, with its crew of three, with a planned return in July 2026. Getting its replacement crew launched however remains an unknown right now because of the damage to the Soyuz-2 rocket launchpad in Baikonur that occurred when they were launched two weeks ago. Roscosmos has provided no public updates about its plans to fix the pad or replace it, and until such plans are revealed, the Russians have no ability to launch any further manned missions.

This is why I speculated earlier that the present Soyuz crew might be starting an extended mission, awaiting repairs to the launchpad.

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Russia and India agree to orbit their space stations in the same inclination, the same as ISS

8:02 am

India's Bharatiya Antariksh Station as outlined in 2024
India’s Bharatiya Antariksh Station as outlined in 2024.
Click for original image.

According to statements made by Roscosmos head Dmitry Bakanov at a conference in New Delhi this week, Russia and India have agreed to orbit their planned new space stations in the same inclination as ISS, 51.6 degrees, and coordinate their operations at both stations.

By choosing the same orbital geometry for ROS [Russian Orbital Station] and BAS [Bharatiya Antariksh Station], Moscow and New Delhi are effectively planning a continuous “replacement belt” in low Earth orbit. After the ISS is retired, crewed spacecraft launched from Russia and India would still be able to reach a major laboratory complex without radically changing launch trajectories or infrastructure, and—crucially—could, in principle, travel between the two stations with relatively modest maneuvers compared with a full plane-change.

Bakanov’s New Delhi comments build on a broader Roscosmos–ISRO understanding that the two stations should be able to support cross-visits, resource sharing and coordinated operations once both are flying.

This high inclination is required because spacecraft launching from Russia’s high latitudes can’t reach lower inclinations practically. India could put its station at a lower inclination (being at a lower latitude), but if this story is true, it apparently has decided there are advantages using an orbit that will allow cross-missions with Russia, including launches from Russia.

India plans to launch the first module of its station in 2028, and have the entire station operational by 2035. Russia says it will launch is station’s first module by 2027, with full operations beginning by 2030. While both schedules are likely to see delays, we should expect India to get its station built, while Russia will likely struggle to launch even one module.

In fact, I suspect this deal is Russia’s effort to find some partner that can carry it in the future, when its own station gets delayed.
» Read more

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Russian astronaut kicked out of the U.S. for stealing proprietary SpaceX designs

9:10 am

A Russian astronaut scheduled to fly on the next upcoming Dragon mission to ISS as part of the barter agreement between NASA and Roscosmos, has been removed from that mission after being caught taking pictures of SpaceX equipment in violation of State Department ITAR regulations.

Russian cosmonaut Oleg Artemyev has been removed from the prime crew of SpaceX’s Crew-12 mission to the International Space Station and replaced by fellow Roscosmos cosmonaut Andrey Fedyaev after sources alleged he photographed confidential SpaceX materials in California in violation of US export control rules, according to The Insider on December 2.

The outlet reported that Trishkin also said NASA did not want the controversy around Artemyev to become public, while Artemyev was removed from training at SpaceX’s Hawthorne California, facility last week after allegedly photographing SpaceX engines and other internal materials on his phone and taking them off-site.

The sources for this story all come from within Russia but it appears the story is true. It now appears that when the next manned Dragon launches to ISS in February, Fedyaev will fly instead of Artemyev.

The irony of this is that Russia doesn’t really have the capability of developing a comparable SpaceX rocket using this information. If anything, it would be more likely for Russia to sell the information to China in exchange for military hardware it could use in the Ukraine.

Either way, this violation by Artemyev of ITAR does not speak well for the future of the U.S./Russian partnership in space. It will certainly continue until ISS is retired, but this incident cements the likelihood that it will then end. None of the American commercial stations have shown any interest in signing agreemennts with Russia, though they all have signed numerous international deals, some with former Soviet bloc nations and even former Soviet provinces. After ISS Russia will be on its own.

And based on its inability to develop anything new in the past three decades, don’t expect much from it in space.

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All eight ports on ISS occupied for the first time; Longest manned mission about to start?

9:56 am

ISS as presently configured
ISS as presently configured. Click for original.

For the first time in its more than quarter century history, all eight docking ports on ISS are occupied, as shown in the graphic to the right.

For the first time in International Space Station history, all eight docking ports aboard the orbital outpost are occupied following the reinstallation of Northrop Grumman’s Cygnus XL cargo spacecraft to the Earth-facing port of the station’s Unity module. The eight spacecraft attached to the complex are: two SpaceX Dragons, Cygnus XL, JAXA’s (Japan Aerospace Exploration Agency) HTV-X1, two Roscosmos Soyuz crew spacecraft, and two Progress cargo ships.

This milestone follows the reattachment of the Cygnus XL spacecraft, supporting the Northrop Grumman-23 commercial resupply services mission for NASA, which was removed last week by the robotics officer at the agency’s Mission Control Center in Houston using the space station’s Canadarm2 robotic arm. The Cygnus XL movement was coordinated between NASA, Northrop Grumman, and Roscosmos to provide appropriate clearance for the arriving crewed Soyuz MS-28 spacecraft on Nov. 27.

Cygnus will remain attached to the orbiting laboratory until no earlier than March 2026, when it is scheduled to safely depart and dispose of up to 11,000 pounds of trash and unneeded cargo when it harmlessly burns up in Earth’s atmosphere.

This situation will not last of course, and in fact it may never happen again before the station is retired around 2030. First, Cygnus will leave in March. Second, one Russian Soyuz capsule will leave shortly, as the presence of two simply indicates a crew rotation is underway.

Third, it is presently unclear when the Russians will be able to launch further Soyuz or Progress capsules. » Read more

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