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Hydrogen leak detected during today’s SLS tank test

Though engineers have apparently overcome the issue so that today’s tank test of NASA’s SLS rocket can continue, a hydrogen leak was nonetheless detected during fueling.

The fueling tank test is not yet complete.

At this moment I cannot imagine the military’s range office will allow NASA to launch on September 27th, as the agency has requested. To do so will require the range to ignore the possibility that the flight termination is inoperable, as its batteries are past their use-by date by almost a month. Combined with these ongoing leak issues, it would be irresponsible to do otherwise.

Conscious Choice cover

Now available in hardback and paperback as well as ebook!


From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.


“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.


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  • Herman D Hurt

    The lousy work of NASA in general is embarrassing to me as an American that has followed this once great organization since the Project Mercury days. However, the governmental incompetence of the Federal government is like a disease and organizational ennui is there for all to see. Poor leadership, incompetent engineering and lack of real vision has rendered NASA a ghost of its former glory. Very sad.

  • David Eastman

    Supposedly the battery manufacturer has provided data showing that there is an enormous margin in that “use-by-date” and they are still plenty capable for the purpose. The NASA SLS team is apparently confident that the Air Force will approve a waiver. We’ll see.

    It’s a real eye opener how after all the hand-wringing over safety and verification and needing insight and hands-on reviews of everything Boeing and SpaceX do in the CRS program, when it’s THEIR program on the line, suddenly all the rules and checks are optional.

  • Jhon B

    I am not surprised by this mishap today. They should roll this thing back in and replace the batteries while they work on the valves because this thing is going nowhere soon. And why has a decision not been made. You know what the decision would be if it was a ‘SpaceX rocket.

  • pzatchok

    This has always been just a fueling test. If it fills to the top NASA will be happy.

    A launch was never expected. Thus they can skip the battery problem.

    I do not think they ever expected to actually launch the thing before October..

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