Apollo 13 recovery. Astronauts Fred Haise (left), John Swigert (partially hidden) and James Lovell (white clothing, right) waiting to be recovered from the Pacific Ocean. A US navy swimmer (black clothing, right) is preparing the 'Billy Pugh' net (yellow) which will hoist them up to a helicopter hovering above. The Apollo 13 mission launched on 11th April 1970. An oxygen tank failure aboard caused the lunar landing to be aborted and instead the spacecraft passed around the moon. Photographed on the 17 April 1970.