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Javelin was laid down by John Brown and Company, Limited, at Clydebank in Scotland on 11 October 1937, launched on 21 December 1938, and commissioned on 10 June 1939 with the pennant number F61.

In May 1940, during Operation Dynamo, Javelin and other destroyers rescued survivors from the sinking of SS Abukir.^[1][2]

At the end of November 1940 the 5th Destroyer Flotilla, consisting of HMS Jupiter, Javelin, Jackal, Jersey, and Kashmir, under Captain Lord Louis Mountbatten, was operating off Plymouth, England. The flotilla engaged the German destroyers Hans Lody, Richard Beitzen, and Karl Galster. Javelin was badly damaged by torpedo and artillery hits from the German destroyers and lost both her bow and her stern. Only 155 feet (47 m) of Javelin's original 353 ft (108 m) length remained afloat and she was towed back to harbour. Javelin was out of action for almost a year. Probably arising from this incident, Stoker First Class T Robson was killed and is interred at St Pol de Leon Cemetery, Brittany, France.

Javelin participated in the Operation Ironclad assault on Madagascar in May 1942.

She participated in the failed Operation Vigorous attempt to deliver a supply convoy to Malta, in June 1942. Javelin along with HMS Kelvin destroyed a flotilla of Italian small ships on the night of 19 January 1943.

Javelin's record was marred on 17 October 1945 whilst off Rhodes by an outbreak of indiscipline (a refusal to work by “Hostilities Only” ratings following resentment over a return to pre-war spit-and-polish): one leading rating was charged with mutiny, and several ratings were subsequently court-martialled, though sentences were reduced as the facts became known.^[3]

Javelin was sold to the shipbreakers on 11 June 1949, and she was scrapped at Troon in Scotland.