On January 27, 1967, during a practice launch countdown ... Dave Scott, Al Worden and Jim Irwin were the crew of Apollo 15, the first mission to use the four-wheel-drive lunar rover.

Kennedy’s challenge to land a man on the moon in 1969 a reality. They flocked to the Apollo program for many reasons. Some relished the idea of exploring new worlds. Others were inspired by a ...

where the rust-streaked launch pedestal looms like a memorial to one of NASA's most haunting tragedies. On Jan. 27, 1967, pioneering Apollo 1 astronauts Virgil "Gus" Grissom, Edward White and ...