[WORLDKINGS] On this day – July 31, 2023 – The 52nd Anniversary of the Apollo 15’s astronauts becoming the first to ride in a lunar rover (1971)


(Worldkings.org) On July 31, 1971, the astronauts on Apollo 15 deployed the first Lunar Roving Vehicle on the moon.

Apollo 15 (July 26 – August 7, 1971) was the ninth crewed mission in the United States' Apollo program and the fourth to land on the Moon. It was the first J mission, with a longer stay on the Moon and a greater focus on science than earlier landings. Apollo 15 saw the first use of the Lunar Roving Vehicle.


The mission began on July 26 and ended on August 7, with the lunar surface exploration taking place between July 30 and August 2. On July 31, 1971, Commander David Scott and Lunar Module Pilot James Irwin on Apollo 15, were the first people to drive on the moon. 

They landed near Hadley Rille and explored the local area using the rover, allowing them to travel further from the lunar module than had been possible on previous missions. They spent 181⁄2 hours on the Moon's surface on four extravehicular activities (EVA), and collected 170 pounds (77 kg) of surface material.


At the same time, Command Module Pilot Alfred Worden orbited the Moon, operating the sensors in the scientific instrument module (SIM) bay of the service module. This suite of instruments collected data on the Moon and its environment using a panoramic camera, a gamma-ray spectrometer, a mapping camera, a laser altimeter, a mass spectrometer, and a lunar subsatellite deployed at the end of the moonwalks. The lunar module returned safely to the command module and, at the end of Apollo 15's 74th lunar orbit, the engine was fired for the journey home. During the return trip, Worden performed the first spacewalk in deep space. The Apollo 15 mission splashed down safely on August 7.


According to Wikipedia

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