Michael Collins () flew the command module to the moon -- and faced his own distinct concerns about the return trip. reports. #Apollo50
"Luck should be put on my gravestone," Michael Collins to
What Apollo 11 pilot Michael Collins feared most during critical NASA mission
“It was a solitary, single, one chamber. That chamber either ignited properly and got you the thrust, or it didn't. If it didn't, Neil and Buzz were dead on the surface,” says of #Apollo11