#19: Apollo 1 Crew Undergoes Water Egress Training
In June 1966, Apollo 1 astronauts Gus Grissom, Ed White, and Roger Chaffee hit the ground running at Ellington Air Force Base near Houston, Texas. Clad in their full spacesuits, the trio ran drills in a pool alongside a boilerplate model of their command module to master water egress procedures. The rehearsal aimed to guarantee the astronauts could exit the capsule safely and float on rafts in the scenario of an ocean splashdown.

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