 The following year he was posted overseas to RAF Kalafrana seaplane base on Malta where he was promoted to Squadron Leader.In February 1939, just before the Second World War started, Warfield was appointed as Command Armament Staff Officer at HQ Mediterranean Command at RAF Luqa serving under Air Vice Marshal Hugh Lloyd, a post he held until the spring of 1941 when he was promoted to Wing Commander and appointed as Officer Commanding of the Malta airbase RAF Ta' Qali.In December 1942 Warfield returned to the UK and was appointed as Officer Commanding No.