On 1 May 1960, a United States U-2 spy plane was shot down by the Soviet Air Defence Forces while performing photographic aerial reconnaissance deep inside Soviet territory. The single-seat aircraft, flown by pilot Francis Gary Powers, was hit by an S-75 Dvina surface-to-air missile and crashed near Sverdlovsk. Powers parachuted safely and was captured.
Initially, the US authorities acknowledged the incident as the loss of a civilian weather research aircraft operated by NASA, but were forced to admit the mission's true purpose when a few days later the Soviet government produced the captured pilot and parts of the U-2's surveillance equipment, including photographs of Soviet military bases taken during the mission.
The incident occurred during the presidency of Dwight D. Eisenhower and the premiership of Nikita Khrushchev, around two weeks before the scheduled opening of an east–west summit in Paris. Krushchev and Eisenhower had met face-to-face at Camp David in Maryland in September 1959, and the seeming thaw in U.S.-Soviet relations had led people around the world to hope for a peaceful resolution to the ongoing Cold War.