"British Equipment at An American Airfield- Anglo-american Co-operation in Wartime Britain, 1943" The crash tender team at an American airfield somewhere in Britain run with their hoses to a B17 Flying Fortress during a drill. The crash tenders are British-made and are posted with ambulances around the airfield when aircraft are due to land in order to provide a quick response to any emergency which may occur. The aircraft features the letters UX, indicating that it is an aircraft of 407 Squadron, 92nd Bombardment Group.