Astronaut training is done the same way in a modified Boeing 727(? IIRC), nicknamed the "vomit comet". As a student pilot I used to love doing heavy-G steep cli

Astronaut training is done the same way in a modified Boeing 727(? IIRC), nicknamed the "vomit comet". As a student pilot I used to love doing heavy-G steep climbs then pushing the nose over and enjoying a few seconds of weightlessness....