Operation Devon was the codeword given to an amphibious landing by British Commandos at Termoli on the Adriatic coast of Italy during the Second World War. It was launched on 3 October 1943, as part of the attack on the Volturno Line, and undertaken by No. 3 Commando, No. 40 (Royal Marine) Commando and other elements of the 2nd Special Service Brigade. It was later reinforced by forward elements from 78 Infantry Division.In the early hours of 3 October 1943, Nos.