Apollo 15 15 separated from the booster, the S-IVB maneuvered away, and would impact the Moon about an hour after the crewed spacecraft entered lunar orbit, though due to an error the impact was away from the intended target. The booster's impact was detected by the seismometers left on the Moon by Apollo 12 and Apollo 14, providing useful scientific data. There was a malfunctioning light on the craft's service propulsion system (SPS); after considerable troubleshooting, the astronauts did a test burn of the system that also served as a midcourse correction. This occurred about 028:40:00 into the mission. Fearing that the
Women of the Apollo Program Women of the Apollo Program The Women of the Apollo Program is a book written by Robyn Friend, illustrated by David Katz, about 4 women who participated in the United States space program during the Apollo Program. Female members of the Apollo Space Program included Bobbie Johnson, Judith Love Cohen, Ann Dickson, and Ann Maybury. Apollo 11 landed on the Moon on July 20, 1969. Judy worked as an electrical engineer on the abort guidance system of the Apollo Program. The abort guidance system was used during the Apollo 13 mission to safely return the astronauts to the Earth after