Space Rocket History #133 – Apollo 1: Plugs Out – Part 1 – The Fire
The “Plugs Out” test scheduled for Jan 27, 1967 was not the first time that spacecraft 12 had been put through a simulated run with people on board…
Block I hatch consisted of two pieces and required pressure inside the cabin be no greater than atmospheric to open
The Apollo 1 crew enter their spacecraft in the altitude chamber at Kennedy Space Center, October 18, 1966
Prime & backup crews 4/1/66. Backup crew Scott, McDivitt & Schweickart were replaced by Schirra, Eisele & Cunningham