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Are you thinking of these? https://space.stackexchange.com/a/2109 https://space.stackexchange.com/a/2109 They're used in the launch facilities on the ground,
by pvg 5y ago
Are you thinking of these?
https://space.stackexchange.com/a/2109 https://space.stackexchange.com/a/2109
They're used in the launch facilities on the ground, not the spacecraft itself.
- gumby 5y agoYes, I took pretty much the identical photo myself because I thought it was pretty cool. It's not as funny that the key is on the ground (I guess like the launch keys on the nuclear missiles) but that makes sense.