This Manual Saved the Power to Keep Apollo 13 Alive
On April 13, 1970—321,860 kilometers into its Moon trip—an oxygen tank exploded in the Odyssey’s Service Module. James Lovell, Jack Swigert, and Fred Haise had a really big problem. These pages saved their lives. These pages described how to power down the electric systems in the spacecraft, to save energy that was going to be…