 226 Squadron RAF flying Douglas Boston III twin engined bombers from RAF Wattisham in support of the United States Air Force during daylight raids over Germany.In April 1943 Warfield was promoted in temporary rank of Group Captain and served as the station commander of RAF Wattisham where he remained until near the end of the war, when he was reverted to the rank of Wing Commander briefly.When the war finished he was serving as Senior Officer Administration at Headquarters No 12 Group RAF.