To gain insight on how the Soviet Union built moon-bound gear, the U.S. Central Intelligence Agency (CIA) carried out a covert spy job on a Soviet exhibit in 1959.

How the CIA 'kidnapped' a Soviet moon probe during the space race

Source: space
Source Link: https://www.space.com/how-the-cia-kidnapped-a-soviet-moon-probe-during-the-space-race