"Royal Air Force Operations in the Middle East and North Africa, 1939-1943." Curtiss Kittyhawk Mark IIIs of No. 260 Squadron RAF, lined up at Marble Arch landing ground, Libya. ‘HS-X’ in the foreground was the personal aircraft of the squadron commander, Squadron Leader O V “Pedro” Hanbury: at this time it retained its US serial number 42-45798. FR350 ‘HS-B’ was flown by Flight Lieutenant J F Edwards RCAF, the most successful Kittyhawk pilot in the Western Desert with twelve confirmed at eight probable victories.