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Space policy

After a nearly decade-long national effort, the United States won the race to land astronauts on the Moon on July 20, 1969, with the flight of Apollo 11. Nixon spoke with Neil Armstrong and Buzz Aldrin during their moonwalk. He called the conversation "the most historic phone call ever made from the White House".

Nixon was unwilling to keep funding for the National Aeronautics and Space Administration (NASA) at the high level seen during the 1960s as NASA prepared to send men to the Moon. NASA Administrator Thomas O. Paine drew up ambitious plans for the establishment of a permanent base on the Moon by the end of the 1970s and the launch of a crewed expedition to Mars as early as 1981. Nixon rejected both proposals due to the expense. Nixon also canceled the Air Force Manned Orbital Laboratory program in 1969, because uncrewed spy satellites were a more cost-effective way to achieve the same reconnaissance objective. NASA cancelled the last three planned Apollo lunar missions to place Skylab in orbit more efficiently and free money up for the design and construction of the Space Shuttle.

On May 24, 1972, Nixon approved a five-year cooperative program between NASA and the Soviet space program, culminating in the 1975 joint mission of an American Apollo and Soviet Soyuz spacecraft linking in space.