No. 15 Group was a group of the Royal Air Force, which disbanded in 1945. It was operational in the last year of, and just after, the First World War, a reformation saw it active throughout the Second World War.
Flight Lieutenant A W Fraser and his crew, stand in front of their Consolidated Liberator Mark I, AM929 'H', of No. 120 Squadron RAF, at Reykjavik, Iceland, after sinking the German type IXD2 submarine U-200 on 24 June 1943
An aircrew sergeant of No. 209 Squadron RAF about to launch a carrier pigeon from the side hatch of a Saro Lerwick flying boat
A Royal Air Force Liberator Mark I (serial AM910) on the ground following conversion as an anti-submarine aircraft by Scottish Aviation Ltd, AM910 joined No. 120 Squadron at Nutts Corner, County Antrim, Northern Ireland (UK), as "OH-M"
Castle Archdale (formerly Logh Erne) in Northern Ireland on 20 May 1943, as a seaplane tender passes a Sunderland of No 201 Squadron
No. 119 Squadron RAF was a squadron of the Royal Air Force, flying with RAF Coastal Command during the Second World War. It was the only RAF unit flying the Short G class and Short C class flying boats.
Swordfish NF370, Imperial War Museum, Duxford (2011)