The fourth mission to land on the moon and the first to use the Lunar Roving Vehicle (LRV). Primarily a science mission the crew spent nearly 67 hours on the lunar surface before heading home.

A few statistics:

• Crew: David R. Scott, James B. Irwin, Alfred M. Worden

• Launch Vehicle: Saturn V

• Date: July 26 - August 7, 1971

• Landing Site: Hadley-Apennine