In the Second World War, Conington was located next to Royal Air Force Station Glatton. RAF Glatton was constructed to Class "A" standards to support heavy bombers in 1943, as it was to be used by the US Army Air Forces. The 457th Bombardment Group (Heavy) arrived on 21 January 1944. The recognisable tail code of the 457th was the "triangle U" painted on the vertical stabilizers of the Boeing B-17 Flying Fortresses which operated from the air base. The 457th Bomb Group operated from RAF Glatton from January 1944 until 20 April 1945, when it completed its 237th and last combat mission at the conclusion of the war. In All Saints' Church, Conington is a memorial to the 457th Bomb Group.