Apollo 16 astronauts Charles Duke, John Young and Thomas Mattingly, dresed in spacesuits with their Lunar Rover during a training exercise before their mision. Apollo 16, launched on 16th April 1972, was the fifth succesful manned Moon landing mision and Young and Duke became the ninth and tenth men to walk on the Moon. The Lunar Rover, first used on the Apollo 15 mision, was a battery powered vehicle which considerably increased the distance that astronauts could cover while exploring the lunar surface. The Apollo 16 astronauts achieved speeds of 18 kilometres per hour in the vehicle on the Moon.
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