Apollo 13 crew portrait with their Saturn V behind, including original CMP member Ken Mattingly, who was pulled from the flight 48 hours before launch and replaced with backup Jack Swigert, due to the possibility of being exposed to the measles.
The ORIGINAL Crew of Apollo 13. Astronaut T.K. "Ken" Mattingly was the original Command Module Pilot until it was thought he was exposed to the Measles (Ken is the one in the center of the picture). He was replaced by John (Jack) Swigert, Jr.
Remembering Apollo 16 - Astronauts John Young, Ken Mattingly and Charlie Duke prepare to depart their crew quarters at Kennedy Space Center prior to launching to the Moon. This Date in 1972. www.Retro Space Images.com