The Apollo 6 mission was the second unmanned test flight of the Saturn V rocket, launched on April 4, 1968. Its primary objective was to test the structural integrity of the Saturn V rocket, as well as the performance of the Command/Service Module and Lunar Module in a trans-lun
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Apollo 6, also known as AS-502, was the third and final uncrewed flight in the United States' Apollo program and the second test of the Saturn V launch vehicle. The Saturn V's utilization during the mission qualified it for use during human spaceflight, and it was used beginning on Apollo 8 in December 1968.