and James Irwin as lunar module pilot.

After Apollo 15 reached lunar orbit, and his crewmates departed to land on the Moon, Worden spent three days alone in the CM, becoming in the process the individual who traveled the farthest from any other human being, a distinction he still holds. He took many photographs of the Moon and operated a suite of scientific instruments that probed the Moon. During Apollo 15's return flight to Earth, Worden performed an extravehicular activity