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Forgot Password? Not an Irish Times subscriber? Update Payment Details Not Now. The Apollo 13 mission celebrated its 50th anniversary on April 11 , and a statue to commemorate their survival was unveiled earlier this year. At age 42, Lovell was the world's most traveled astronaut when he joined the Apollo 13 mission, with three missions and spaceflight hours under his belt. Lovell participated in Apollo 8 , the first mission to circle the moon, and flew two Gemini missions — including a day endurance run.
Prior to the Apollo 13 mission, 36 year-old Haise served as the backup lunar module pilot for the Apollo 8 and Apollo 11 missions. Haise was a fighter pilot in the U. He was selected for the manned space program in , at the same time as Swigert. Apollo 13 was Haise's only trip to space. Apollo 13 was Swigert's first trip to space, at age He had been part of the support crew for Apollo 7 and was initially Apollo 13's backup command module pilot.
He was asked to join the crew 48 hours before launch time after the original command module pilot, Ken Mattingly , was exposed to German measles. Apollo 13 launched on April 11, The Apollo spacecraft was made up of two independent spacecraft joined by a tunnel: orbiter Odyssey, and lander Aquarius. The crew lived in Odyssey on the journey to the moon. On the evening of April 13, when the crew was nearly , kilometers , miles from Earth and closing in on the moon, mission controller Sy Liebergot saw a low-pressure warning signal on a hydrogen tank in Odyssey.
The signal could have shown a problem, or could have indicated the hydrogen just needed to be resettled by heating and fanning the gas inside the tank. That procedure was called a "cryo stir", and was supposed to stop the supercold gas from settling into layers.
Related: This stunning 4K video re-creates Apollo 13's perilous trip around the moon. Swigert flipped the switch for the routine procedure. A moment later, the entire spacecraft shook. Alarm lights lit up in Odyssey and in Mission Control as oxygen pressure fell and power disappeared.
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