Apollo 15 lunar rock sampling, August 1971. Rake being used by US astronaut David Scott while obtaining lunar rock samples. This rake is being used to make contact with a boulder at Station 4 during the Apollo 15 second lunar surface extravehicular activity (EVA-2). 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. Astronauts David Scott and James Irwin spent a total of 18.5 hours outside their spacecraft, carrying out three exploration trips (EVAs) with the Lunar Roving Vehicle. Photographed by Scott on 1 August 1971.