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Layton Cemetery contains the graves of 139 Commonwealth service personnel of World War I and 39 of World War II, besides, from the latter war, 26 airmen of the Polish Air Force (whose headquarters in exile were in Talbot Square in the town), and one airman of the Royal Yugoslav Air Force.
Just before the April War in 1941 the aircraft was used by the 603rd training squadron of the Royal Yugoslav Air Force (JKRV) which was located at Grab Airport near Trebinje and it was destroyed during withdrawal from the airport.