High Quality Content by WIKIPEDIA articles! Air Chief Marshal Sir Robert Mordaunt Foster KCB, CBE, DFC, DL, RAF (3 September 1898 ? 23 October 1973) was a Royal Flying Corps pilot in World War I and a senior commander in the Royal Air Force during World War II and the immediate post-war years. Foster was educated at Winchester College and the Royal Military College at Sandhurst. By June 1916 he was a 2nd Lieutenant trainee pilot in the RFC and once he had completed his course Foster was sent to France to join No. 54 Squadron flying the Sopwith Camel.