HMS Aylmer was a Buckley class destroyer escort that served in the Royal Navy as a Captain class frigate during World War II. The ship was named after Matthew Aylmer, commander of HMS Royal Katherine at the Battle of Barfleur in 1692 during the War of the Grand Alliance.
Originally destined for the US Navy, HMS Aylmer was provisionally given the name USS Harmon (later this name was reassigned to USS Harmon (DE-678), however the delivery was diverted to the Royal Navy before the launch. Commanding Officers were Lt Cdr A.D.P.Campbell RN, Cdr B.W.Taylor RN (Senior Officer 5th Escort Group) 30 August 1944 and Lt Cdr W.L.Smith RNR February 1945.
HMS Aylmer was adopted by the Boy's Own Paper. The May 1945 issue has pictures of HMS Aylmer in the graving dock in Liverpool after she had rammed and sunk the U-1051 off Anglesey. In the May 1946 issue C.J.Olivant (the author of the article) describes the war service of HMS Aylmer.
She was stationed in Belfast for the duration of her Wartime service with the 5th Escort Group.
HMS Aylmer served exclusively with the 5th Escort Group taking part in operations in the North Atlantic in May 1944, off Normandy (Operation Neptune) in June 1944,was part of Operation Goodwood in the Barents Sea in August 1944 and Mediterranean (Convoy escort to Naples in September 1944).