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Brian Leonard

Do not watch this episode right before going to bed. I had nightmares after watching this episode the first time.

Surya Gundavarapu

I'm surprised by your reaction to Margo's actions, and I don't think the espionage charge is as clear-cut as you suggest. Firstly, Margo didn't reveal any classified national security information. If she had leaked plans for a US attack on Russia or compromised sensitive military operations, that would be a different story. However, the fact that O-rings fail in extreme weather conditions is a scientific fact, not a state secret. While one could argue that sharing this information might embarrass the US by revealing a flaw in their technology, I don't think that constitutes espionage. It's also important to note that the military liaison's instruction not to warn the Russians doesn't necessarily make the information classified. Only authorized personnel can classify information, and the liaison's directive doesn't automatically make the O-ring issue a national security secret. Moreover, Margo didn't reveal any sensitive information about the US Shuttle program or the fact that the Russians had copied the design for Buran. Her actions were motivated by a desire to prevent loss of life, not to compromise national security. As someone who has recently read about the Challenger disaster, I'm maybe sensitive to the idea of withholding scientific information (for non-scientific reasons) that could save lives.

Roland Cooke

During development and training (including practicing landing a crazy glider), the NASA Space Shuttle was carried on the back of a Boeing 747. IIRC, this practice craft (it had no orbital capability), was originally called Constitution, but after massive public pressure was renamed Enterprise per Star Trek. Two Shuttles were lost, Challenger during launch (including Sally Ride) and Columbia during re-entry.

Youtalkingtome

That's a fair point. I'm not mad she told them (it really did probably save lives), just that her indignation that there were consequences she didn't like that were a direct result of that action felt like she was kind of avoiding feeling any responsibility for her part in those consequences.

Youtalkingtome

That last scene (with the poor astronaut going through the window and on to the surface of the moon) was absolutely bone-chilling. What a horrible way to die.

dys

The NERVA nuclear rocket engine was a real NASA project that got pretty close to reality before being cancelled, though I don't know if anyone proposed it being used to launch a ship while still in the atmosphere from a carrier plane. The basic idea is using a fission reactor to heat up fuel so the exhaust comes out at a very high velocity compared to traditional chemical rockets, the higher exhaust velocity gives you more delta-V per kilogram of fuel (in other words, more efficient use of fuel). In just the last couple years NASA has restarted a similar program that looks like it might actually get off the ground this time.