PGM-17 Thor

SM-75/PGM-17A Thor
SM-75/PGM-17A Thor
	A Thor intermediate-range ballistic missile.
Type	Intermediate Range Ballistic Missile (IRBM)
Place of origin	United States
Service history
Used by	United States Air Force (testing); Royal Air Force (operational deployment)
Production history
Designed	1957
Manufacturer	Douglas Aircraft Company
Produced	1959–1960
No. built	About 225; peak deployment was 60
Variants	Delta rockets ; Thor rocket family
Specifications
Mass	49,590 kilograms (109,330 lb) at launch.
Length	19.76 metres (64 ft 10 in).
Diameter	2.4 metres (8 ft).

The PGM-17A Thor was the first operational ballistic missile of the United States Air Force (USAF).

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