Cmndr Walker, Cptn. Anderson and Lt. Col. Grey are assigned to a secret mission to the moon. Walker and Anderson land, while Grey stays in orbit. As they collect samples, they find footprints..

During the eight-day mission beginning on May 18, 1969, Tom Stafford ... Dave Scott, Al Worden and Jim Irwin were the crew of Apollo 15, the first mission to use the four-wheel-drive lunar ...

His Apollo 18 crew of Vance Brand and Deke Slayton docked with Russia’s Soyuz 19, manned by cosmonauts Alexei Leonov and Valeri Kubasov. It was the first joint mission between old Cold War foes.

Originally Lovell had been assigned to the Apollo 8 backup crew. But when Mike Collins had to drop out for surgery on his spine, Lovell was reunited with his Gemini commander, Borman, for Apollo 8.

In the summer of 1987, preparing for my interviews with the Apollo 8 crew, I pored over stacks of NASA documents, including the recently declassified official transcript of the astronauts ...