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The first Polaris submarine outfitted with MRV A-3's was the USS Daniel Webster in 1964. [21] Later the Polaris A-3 missiles (but not the ReBs) were also given limited hardening to protect the missile electronics against nuclear electromagnetic pulse effects while in the boost phase. This was known as the A-3T ("Topsy") and was the final ...
Volume I: From the V-Bomber Era to the Arrival of Polaris, 1945–1964. The Official History of the UK Strategic Nuclear Deterrent. Abingdon, Oxfordshire: Routledge. ISBN 978-1-138-67493-6. OCLC 957683181. The Encyclopedia of Warships, From World War Two to the Present Day, General Editor Robert Jackson. Roberts, John (2009).
The Grayback-class submarine was a class of two guided missile-carrying submarines of the United States Navy.They carried the Regulus I and Regulus II nuclear cruise missiles, deployed 1957–64, that were rapidly phased out by Polaris Submarine Launched Ballistic Missiles ().
The short range of the early SLBMs dictated basing and deployment locations. By the late 1960s the UGM-27 Polaris A-3 missile was deployed on all US and UK ballistic missile submarines. Its range of 4,600 kilometres (2,500 nmi) was a great improvement on the 1,900-kilometre (1,000 nmi) range of Polaris A-1.
There was also a large number of small boats used to transport personnel and supplies from the shore to the ship. Among these small boats were 40 and 50 ft (12 and 15 m) Utility Boats, LCM Mk6 and Mk8 landing craft, some with the holds roofed over for personnel transport, and a 32 ft (9.8 m) officers motorboat.
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