Apollo 13 was the seventh manned mission in the American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Apollo space program and the third intended to land on the Moon

Moon landing

A moon landing is the arrival of a spacecraft on the surface of the Moon. This includes both manned and unmanned missions. The first human-made object to reach the surface of the Moon was the Soviet Union's Luna 2 mission on 13 September 1959. The United States's Apollo 11 was the first manned...

. The craft was launched on April 11, 1970, at 13:13 CST. The landing was aborted after an oxygen tank exploded two days later, crippling the service module upon which the Command Module depended. Despite great hardship caused by limited power, loss of cabin heat, shortage of potable water and the critical need to jury-rig the carbon dioxide removal system, the crew returned safely to Earth on April 17.

The flight was commanded by James A. Lovell

Jim Lovell

James "Jim" Arthur Lovell, Jr., is a former NASA astronaut and a retired captain in the United States Navy, most famous as the commander of the Apollo 13 mission, which suffered a critical failure en route to the Moon but was brought back safely to Earth by the efforts of the crew and mission...

 with John L. "Jack" Swigert

Jack Swigert

He later became staff director of the Committee on Science and Technology of the U.S. House of Representatives.Swigert was elected as a Republican to Colorado's newly created 6th congressional district in November 1982. He defeated Democrat Steve Hogan, 98,909 votes to 56,518...

 as Command Module pilot and Fred W.