Apollo 13 Crew Members and Their Official Roles
The Apollo 13 crew consisted of three NASA astronauts: James A. Lovell Jr., who served as Commander; John L. Swigert Jr., who flew as Command Module Pilot; and Fred W. Haise Jr., who served as Lunar Module Pilot. The mission launched on April 11, 1970, from Kennedy Space Center in Florida, and was originally intended to land near the Fra Mauro formation on the Moon. The crew lived and worked inside the spacecraft systems built by North American Rockwell, the prime contractor for the Command and Service Module, and Grumman Aerospace, which built the Lunar Module. According to NASA's official mission archives, the crew trained extensively in simulators and geology field exercises before launch NASA Apollo 13 Mission Page.
James Lovell had previously flown on Gemini XII and Apollo 8, making him one of the most experienced astronauts in the Apollo program at the time of the mission. John Swigert was a test pilot and former congressman from Colorado who had been selected as a NASA astronaut in 1966 and was assigned to Apollo 13 only days before launch, replacing original Command Module Pilot Ken Mattingly due to a potential exposure to rubella. Fred Haise was a civilian research pilot and former Marine Corps officer who later became a test pilot for Grumman and was slated to walk on the Moon as Lunar Module Pilot if the landing had proceeded as planned Britannica Biography of James Lovell.
Mission Profile, Anomaly, and Return to Earth
Oxygen Tank Explosion and System Failure
On April 13, 1970, an oxygen tank inside the Service Module ruptured after a routine cryogenic stir, causing a loss of oxygen and power in the Command Module. The crew relocated to the Lunar Module as a lifeboat, a scenario that required improvised adaptations to carbon dioxide removal, power conservation, and navigation. Engineers at NASA's Johnson Space Center in Houston, along with contractors including North American Rockwell and Grumman, worked to develop procedures that would allow the crew to survive the return journey Space.com Apollo 13 Overview.
The crew performed a free-return trajectory correction burn using the Lunar Module descent engine and later a second burn to accelerate their return path. On April 17, 1970, the Command Module reentered Earth's atmosphere and splashed down in the South Pacific Ocean, where a U.S. Navy recovery team retrieved the crew. All three astronauts survived the mission with no fatalities, and the event is classified as a successful failure because the crew returned safely despite the loss of the lunar landing objective Forbes Apollo 13 Retrospective.
Post-Mission Careers and Legacy
Later NASA Roles and Retirement
James Lovell retired from NASA in 1973 and later held executive roles in the private sector, including serving as a consultant and corporate director. John Swigert left NASA shortly after the mission and was elected to the U.S. House of Representatives in November 1982, but he died of cancer before taking office. Fred Haise remained with NASA until 1979, working on the Space Shuttle program, and later returned to Grumman as