February 1, 1960🇺🇸Military Encounter
Congressional
Unknown: U.S. Navy detects mysterious dark satellite
The U.S. Navy's Space Surveillance System detected an unidentified dark satellite in polar orbit on January 31, 1960. Subsequent investigation identified it as debris from the Discoverer V reconnaissance satellite.
Background
Detection On January 31, 1960, the Navy's Dark Fence radar system detected two passes of an unidentified space object. The system, designed by the Naval Research Laboratory, could track non-radiating satellites across the continental United States. Captain W. E. Berg, commanding officer of Dark Fence, determined the object was circling Earth in a roughly polar orbit and immediately reported the discovery to the Pentagon and President Eisenhower, marking it top secret.
Initial Assessment The mysterious satellite's polar trajectory suggested exceptional surveillance capabilities, as it could observe every part of Earth's surface. This characteristic initially raised concerns about potential Soviet spy satellite technology.
Resolution Investigation revealed the object had first appeared on August 15, 1959. Cross-referencing with Air Force surveillance records and analysis of taped observations identified the object as debris from Discoverer V, launched from Vandenberg Air Force Base on August 13, 1959. The re-entry capsule had been detected and tracked by the newly operational Space Surveillance System.
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