Today I Found Out on MSN

NASA jumped from Apollo 1 to Apollo 7... the forgotten missions that made the moon landing possible

Apollo 1 was supposed to be another step toward the Moon, but a cabin fire killed astronauts Gus Grissom, Ed White and Roger ...
Public Broadcasting Service (PBS)

The Apollo Missions

Early Apollo Missions: Earth Orbit Apollo missions flew unmanned until October 11, 1968, when Wally Schirra, Donn Eisele and ...