Vela nuclear test detection satellites

E570823

The Vela nuclear test detection satellites were a series of U.S. spacecraft launched during the Cold War to monitor compliance with nuclear test ban treaties by detecting nuclear explosions in space and the atmosphere.

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Statements (50)

Predicate Object
instanceOf United States military spacecraft
satellite constellation
countryOfOrigin United States of America
surface form: United States
developedBy Los Alamos National Laboratory NERFINISHED
Sandia National Laboratories NERFINISHED
equippedWith X-ray detectors
charged-particle detectors
gamma-ray detectors
neutron detectors
optical sensors
era Cold War
hasPart Vela 1A NERFINISHED
Vela 1B NERFINISHED
Vela 2A NERFINISHED
Vela 2B NERFINISHED
Vela 3A NERFINISHED
Vela 3B NERFINISHED
Vela 4A NERFINISHED
Vela 4B NERFINISHED
Vela 5A NERFINISHED
Vela 5B NERFINISHED
Vela 6A NERFINISHED
Vela 6B NERFINISHED
lastSatelliteDeactivated 1984
launchEndDate 1970-04-08
launchStartDate 1963-10-17
launchVehicle Atlas-Agena NERFINISHED
Titan IIIC NERFINISHED
notableDiscovery first detection of cosmic gamma-ray bursts
notableEvent 1969 detection of unexplained gamma-ray bursts
detection of the 1963 Soviet high-altitude nuclear tests
numberOfOperationalPairs 6
numberOfSatellitesLaunched 12
operator United States Air Force
United States Atomic Energy Commission NERFINISHED
orbitRegime Earth orbit
orbitType high Earth orbit
highly elliptical orbit
programName Vela NERFINISHED
programPeriod 1963–1984
purpose detect nuclear explosions in space
detect nuclear explosions in the atmosphere
monitor compliance with nuclear test ban treaties
support nuclear test monitoring during the Cold War
verify Partial Test Ban Treaty compliance
relatedToTreaty Partial Test Ban Treaty NERFINISHED
Threshold Test Ban Treaty NERFINISHED
status retired
successor Defense Support Program NERFINISHED
Integrated Operational Nuclear Detection System NERFINISHED

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Titan IIIC usedFor Vela nuclear test detection satellites