One hour before landing, Lovell,Swigert and Haise said thanks and goodbye to their lifeboat, the lunar module.

VOA: special.2009.07.22

The two other crew members were civilians John Swigert and Fred Haise.

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Swigert called to mission control. "Houston,we've had a problem here."

VOA: special.2009.07.22

Using those procedures, Swigert and Lovell powered up the command module, and Apollo 13 splashed down safely in the Pacific on April 17, 1970.

FORBES: Apollo 13: Lessons From the Successful Failure

Three astronauts, mission commander Jim Lovell, Fred Haise, and Jack Swigert, found themselves rocketing around the moon in a pair of joined vehicles, each with the interior space of a VW Beetle, almost no power, and no heat.

FORBES: Apollo 13: Lessons From the Successful Failure