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Drop Test at Lunar Landing Research Facility, USA, 1974. View of the drop test facility where aircraft crashes can be simulated, Langley Research Center, Hampton, Virginia. The grid screen at the left of the facility is used as a backdrop for the impacts to allow engineers to measure angles and impact speeds. This facility was originally built to test a lunar lander simulator. Drop Test at Lunar Landing Research Facility, 1974. Creator: NASA. (KEYSTONE/HERITAGE IMAGES/HERITAGE SPACE)