Program 437

Program 437 was the second anti-satellite weapons program of the U.S. military. The US anti-satellite weapons program began development in the early 1960s and was officially discontinued on 1 April 1975. Program 437 was approved for development by U.S. Secretary of Defense Robert McNamara on November 20, 1962, after a series of tests involving high altitude nuclear explosions. The program's facilities were located on Johnston Island, an isolated island in the north central Pacific Ocean.

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Location: KML, Cluster Map, Maps,

Frameless

Contaminated Johnston Island Launch Emplacement 1, Bluegill Prime, Thor failure, July 25, 1962.

Dominic Bluegill Prime radiation cleanup

Thor 278 missile, Johnston Island, Program 437

Program 437 Tech Order Cover

Program 437 Layout

Johnston Island Layout Program 437

Bluegill Prime Thor Missile Explodes

Thor missile at Johnston Island

Type	Subtype	Date	Description	Notes	Source
commons	image		Contaminated Johnston Island Launch Emplacement 1, Bluegill Prime, Thor failure, July 25, 1962.		Commons
commons	image		Dominic Bluegill Prime radiation cleanup		Commons
commons	image		Thor 278 missile, Johnston Island, Program 437		Commons
commons	image		Program 437 Tech Order Cover		Commons
commons	image		Program 437 Layout		Commons
commons	image		Johnston Island Layout Program 437		Commons
commons	image		Bluegill Prime Thor Missile Explodes		Commons
commons	image		Thor missile at Johnston Island		Commons