21 July 1969, 17:54:00 UTC, T + 124:22:00.79

The Ascent Stage of the Lunar Module Eagle (LM-5) approaches the Command/Service Module Columbia in Lunar Orbit, approximately 2130 UTC, 21 July 1969. (Michael Collins, NASA)

21 July 1969: After spending a total of 21 hours, 36 minutes, 21 seconds on the surface of The Moon, astronauts Neil Armstrong and Buzz Aldrin fired the rocket engine of the Lunar Module’s Ascent Stage. The liftoff was at 17:54 UTC.

Three hours and forty minutes later, the Eagle ascent stage docked with Columbia, the Command/Service Module, in lunar orbit.

The Apollo 11 Command and Service Module, Columbia (CSM-107), in Lunar Orbit, as seen from the Lunar Module, Eagle. (NASA)

© 2015, Bryan R. Swopes