Apollo 16 was the tenth manned mission in the Apollo program and the fifth mission to land on the moon.
The crew members: John W. Young, commander; Ken Mattingly, command module pilot; and Charles Duke, lunar module pilot. It was a J-class mission, featuring Lunar Rover. It brought back 94.7 kg of lunar samples. It included three lunar EVA: 7.2 hours, 7.4 hours, 5.7 hours and one trans-earth EVA of 1.4. This was the only the second trans-earth EVA ever and was used to bring in film from exterior cameras and open an experiment on microbial survival.
The Apollo 16 subsatellite was launched from the CSM while it was in lunar orbit. The subsatellite carried out experiments on magnetic fields and solar particles. It was launched April 24, 1972 at 21:56:09 UTC and orbied the Moon for 34 days and 425 revolutions. It had a mass of 36.3 kg and consisted of a central cylinder and three 1.5 m booms.