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Saturday, 3 August 2019

American destroyer USS O’Brien (DD-975) 1975-2006


Building ordered on 26 January 1972, laid down by Ingalls Shipbuilding, Pascagoual, Mississippi, USA on 9 May 1975, launched on 8 July 1976, handed over on 14 November 1977, commissioned on 3 December 1977, decommissioned and stricken on 24 September 2004 and sunk while used as a target in fleet training exercises on 9 February 2006.

Part of the Spruance-class destroyers, sub-class Kidd-class, preceded by the Charles F. Adams-class and succeeded by the Arleigh Burke-class. General class specifications. Full load displacement 8.040 tons and as dimensions  61 (waterline)-172 (over all) x 16,8 x 8,8 metres or 529-563 x 55 x 29 feet. The machinery consisted of 4 General Electric LM2500 gas turbines supplying via 2 shafts allowing a speed of 32,5 knots. The range was 6.000 respectively 3.300 nautical miles with a sped o 20 respectively 30 knots. The crew numbered 334 men including 19 officers. Able to carry 2 Sikorsky SH-60 Seahawk LAMPS III helicopters for which a flight deck and an enclosed hangar were available. The armament consisted of 2-12,7cm/5” cal 54 Mark 45 dual purpose guns, 2-2cm Phalanx CIWS Mark 15 guns, 1-8 cell ASROC launcher or 1-61 cell Mark 41 VLS Tomahawk/ASROC missiles launcher, 1-8 cell NATO Sea Sparrow mark 29 missile launcher, 2-quadruple Harpoon missile canisters, 2x3 32,4cm/12.75” Mark 32 torpedo tubes for Mk46 torpedoes,  2-quadruple ABL Mark 43 Tomahawk missile launchers or 1-21 cell Rolling Airframe Missile launcher.