Apollo 1 Crew Members (June 1966). Prime crew members announced by NASA for the first manned Apollo 1 flight practice water egress procedures in a swimming pool at Ellington Air Force Base in Houston. Astronaut Edward H. White II rides life raft in the foreground. Astronaut Roger B. Chaffee sits in hatch of the boilerplate model of the spacecraft. Astronaut Virgil I. Grissom, third member of the crew, waits inside the spacecraft. The Apollo 1 never made it to space, though, as the crew was lost in a fire during a ground simulation. (NASA)

Apollo 1 Crew Members (June 1966). Prime crew members announced by NASA for the first manned Apollo 1 flight practice water egress procedures in a swimming pool at Ellington Air Force Base in Houston. Astronaut Edward H. White II rides life raft in the foreground. Astronaut Roger B. Chaffee sits in hatch of the boilerplate model of the spacecraft. Astronaut Virgil I. Grissom, third member of the crew, waits inside the spacecraft. The Apollo 1 never made it to space, though, as the crew was lost in a fire during a ground simulation. (NASA)