Teams lift the first stage of the Apollo 8 Saturn V rocket inside the transfer aisle of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Feb. 1, 1968, and prepare to place it atop the mobile launcher. Apollo 8 was the first crewed spacecraft to successfully orbit the Moon and return to Earth, setting the stage for Apollo 11 – the first crewed lunar landing. Apollo 8 launched on Dec. 21, 1968, and the crew members consisted of Frank Borman, William A. Anders, and James A. Lovell Jr.