Apollo 15 lunar surface exploration, July 1971. Astronaut shadows at Station 2 during the Apollo 15 first lunar surface extravehicular activity (EVA-1). This station is located on Hadley Delta Mountain. A gnomon is at upper centre. At right is the shadow of James Irwin, with his Sample Collection Bag (SCB). He is also carrying the sampling rake. David Scott's shadow is at top left. Apollo 15 was the fourth manned mission to land on the Moon. The lunar lander 'Falcon' touched down in the Hadley region of the Moon on 30 July 1971. Scott and Irwin spent a total of 18.5 hours outside their spacecraft, carrying out three exploration trips (EVAs) with the Lunar Roving Vehicle (used for the first time on this mission). Photographed by Irwin on 31 July 1971.