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USS George Washington, the first U.S. missile submarine, successfully launched the first Polaris missile from a submerged submarine on July 20, 1960. The A-2 version of the Polaris missile was essentially an upgraded A-1, and it entered service in late 1961. It was fitted on a total of 13 submarines and served until June 1974.
Polaris missile launch from HMS Revenge in 1983 Sixteen tubes for Polaris A3 Submarine-launched ballistic missiles were carried, in two rows of eight. [ 4 ] The missiles had a range of 2,500 nautical miles (2,900 mi; 4,600 km), [ 7 ] [ 8 ] and each missile could carry three 200 kt (840 TJ) nuclear warheads. [ 9 ]
A shakedown operation usually occurs after a refueling and overhaul process or construction of a new submarine. Testing of missile systems allows collection of flight-data, and examinations of submarine launch platforms. [2] The first DASO test occurred July 20, 1960 on the USS George Washington, using the Polaris A-1.
Polaris missile launch. During the autumn of 1964, the Von Steuben completed two shakedown cruises — one for each crew — and a period of antisubmarine warfare training between the two cruises. On 22 December 1964, her Gold Crew fired her first Polaris ballistic missile on the Atlantic Missile Range before returning to Newport News for ...
The ship was assigned to the 10th Submarine Squadron (United Kingdom) where it operated as the first of the UKs new Polaris based nuclear deterrent. [2]Her Polaris system was updated in 1984 with the Chevaline IFE (Improved Front End) that included two new warheads and re-entry bodies and penaids, super-hardened to resist ABM attack, replacing the original three ET.317 warheads.
The United Kingdom's Polaris programme, officially named the British Naval Ballistic Missile System, provided its first submarine-based nuclear weapons system. Polaris was in service from 1968 to 1996. Polaris itself was an operational system of four Resolution-class ballistic missile submarines, each armed with 16 Polaris A-3 ballistic missiles.
While stationed about 6,000 kilometres (3,700 mi) southwest of Los Angeles, the American submarine USS Ethan Allen fired a Polaris-A2 missile at an open ocean target point 920 kilometres (570 mi) short of the then British Kiritimati (Christmas Island), south of Hawaii. [5] The missile traveled a distance of 1,020 nmi (1,890 km; 1,170 mi).
Polaris A-1 on launch pad LC-25A in Cape Canaveral. The world's first operational nuclear-powered ballistic missile submarine (SSBN) was USS George Washington (SSBN-598) with 16 Polaris A-1 missiles, which entered service in December 1959 and conducted the first SSBN deterrent patrol November 1960 – January 1961. [6]