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It is now confirmed that a helium leak caused the scrub of the Falcon 9 May 10 launch.

It is now confirmed that a helium leak caused the scrub of the Falcon 9 May 10 launch.

According to reports, no damage occurred, but tracing the leak has apparently taken longer than expected, which explains the slip in the announced schedule.

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.


All editions available at Amazon, Barnes & Noble, and all book vendors. The ebook can be purchased direct from my ebook publisher, ebookit, in which case you don't support the big tech companies and I get a bigger cut much sooner. Note that the price for the ebook, $3.99, goes up to $5.99 on September 1, 2022.


Autographed printed copies are also available at discount directly from me (hardback $24.95; paperback $14.95). Just email me at zimmerman @ nasw dot org.


  • geoffc

    FAA Experimental permit for DragonFly vehicle at McGregor,TX site:,-12,214

    I preferred the notional DragonRider vs DragonFly due to the Pern reference, (And an endless series of available names, Ramoth, Mnemneth, Ruth, etc)


    – up to four steel landing legs
    – weighs 14000 lbs unfueled
    – maximum proplellant load is 400 gallons

    Four kinds of test flights expected:
    – propulsive assist landing (dropped from helicopter with chutes)
    – fully propulsive landing (dropped from helicopter)
    – propulsive assist hop (self launched, parachute deploys)
    – fully propulsive hop (like Grasshopper)

    This is gonna be totally AWESOME! The cows at McGregor are in for a series of scary days. (Or else they will be the most jaded cattle on the planet).

    Faster please! (As Glenn Reynolds likes to say).

  • geoffc

    Great thread on this topic at

    Calling out the high points. This is going to be so much fun!

  • Pzatchok

    I can’t wait until they have launches backed up. Launches every week or two.

    Then if something like this happens they can just role the rocket off the launch pad and role the next one on for a minimal delay between launches. They are only making money of things fly.

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