During the Second World War, American GIs undergoing training in nearby Ballycarry frequented The Rinkha Dancehall in Islandmagee, Co. Antrim.
On 18th October 1941, 5th Reconnaissance Battalion, 5th Infantry Division trained with Bren Gun Carriers at Castledillon Estate, Co. Armagh.
St. Lucia Barracks, Omagh, Co. Tyrone was a military base between 1875 and 2007 including during both The Great War and Second World War.
During the Second World War, Hillsborough Castle was the official residence of the Duke and Duchess of Abercorn and welcomed high profile visitors.
During the Second World War, the village of Hillsborough, Co. Down was the home of the Governor of Northern Ireland the Duke of Abercorn.
With the outbreak of the Second World War in September 1939, authorities requisitioned Stranmillis College for use as a Military Hospital.
Stranmillis Road, Belfast is the site of Stranmillis University College, an institution that saw use as a Military Hospital during wartime.
During the Second World War, elements of the British Army based in Coleraine, Co. Londonderry used the surrounding countryside to train in.
Ringvad Point on Gunn's Island, Ballyhornan, Co. Down was the scene of a large military unloading after S.S. Bereby ran aground in 1941.