HMS Crescent (H48): Cut in Half by Her Own Escort While Rescuing Refugees

Built at Barrow
HMS Crescent was built by Vickers-Armstrongs at Barrow-in-Furness, her keel laid on 1 December 1930, launched on 29 September 1931, and completed on 15 April 1932, a C-class destroyer commissioned on 21 April that year into the 2nd Destroyer Flotilla of the Home Fleet. During the Abyssinian Crisis, HMS Crescent deployed to the Indian Ocean and Red Sea from September 1935 through to April 1936, part of the wider Royal Navy build-up in response to Italy's invasion of Abyssinia, a crisis that stopped short of open war between Britain and Italy but kept a substantial portion of the fleet on edge throughout.
Sold to Canada
HMS Crescent was sold to Canada on 20 October 1936 alongside her sister ship HMS Cygnet, the pair costing £400,000 combined, and was renamed HMCS Fraser upon her transfer, commissioning into the Royal Canadian Navy at Chatham on 17 February 1937 before sailing on to Esquimalt, arriving there on 3 May that year, joining a small but growing Canadian destroyer force that would prove absolutely vital once war broke out just over two years later.
A Tragic Collision During Operation Aerial
The former HMS Crescent, by then HMCS Fraser, met her end on 25 June 1940 in genuinely tragic circumstances, not through enemy action but through collision with a friendly ship. Returning from evacuating refugees from France during Operation Aerial, the follow-up evacuation that continued after Dunkirk as France's collapse accelerated, HMCS Fraser was rammed by the cruiser HMS Calcutta in the Gironde estuary. HMS Calcutta's bow struck HMCS Fraser forward of her bridge with such force that the destroyer was cut clean in half and sank almost immediately, a devastating accident in the midst of an already desperate evacuation effort.
Forty-five of HMCS Fraser's crew were killed in the collision. The survivors were subsequently transferred to another Canadian destroyer, HMCS Margaree, which was herself lost only months later, in October 1940, in a further collision, this time with the merchant ship Port Fairy, an almost unbearably cruel repetition of fate for men who had already survived one destroyer's sinking beneath them that same year.
Legacy
HMS Crescent's story, from Home Fleet destroyer through Red Sea deployment during the Abyssinian Crisis to Canadian service and finally a tragic accidental loss while rescuing refugees from France, stands as a sobering reminder that the dangers of naval war extended well beyond enemy torpedoes and bombs. Collisions between friendly ships, particularly amid the chaos and darkness of evacuation operations like Operation Aerial, claimed ships and lives just as surely as combat did, and HMS Crescent's fate as HMCS Fraser remains one of the more poignant examples of exactly that risk.