Gp.-Capt. C. D. C. Boyce (later Air Commodore,C.B.E.) was appointed to the PFF on 18 February 1943. The title S.A.S.O. is an abbreviation for Senior Air Staff Officer.
Boyce had had an illustrious career in the RAF, some details of which are given below (source: http://www.rafweb.org, Air of Authority – A History of RAF Organisation)
Clayton Descou Clement Boyce
born: 19 Sep 1907
retired: 12 Sep 1959
died: 19 Dec 1987
CB – 1 Jan 1946, CBE – 8 Jun 1944, MiD – 11 Jun 1942, MiD – 2 Jun 1943, MiD – 14 Jan 1944.
Plt Off: 30 Jul 1927, Fg Off: 30 Jan 1929, Flt Lt: 1 Apr 1934, Sqn Ldr:: 1 Jun 1938, (T) Wg Cdr: 1 Dec 1940, Act Gp Capt: 6 Apr 1942, (T) Gp Capt: 1 Sep 1942, Wg Cdr (WS): 6 Oct 1942, Act A/Cdre: 8 Feb 1944, Gp Capt (WS): 8 Aug 1944, Wg Cdr: 1 Dec 1944, Gp Capt: 1 Jul 1947, A/Cdre: 1 Jan 1953, Act AVM (pd): 15 Jan 1956, Act AVM (unpd): 7 Aug 1956 – 29 Sep 1956, Act AVM: 17 Dec 1956, AVM: Retained.
xx xxx 1925: Flight Cadet, ‘B’ Sqn, RAF College.
9 Mar 1928: Pilot, No 480 (Flying Boat) Flight/ No 201 Sqn?. (Southampton)
1 Jan 1929: Pilot, Far East Flight.
5 Jan 1929: Pilot, No 205 Sqn. (Southampton)
27 Feb 1932: Pilot, No 210 Sqn. (Southampton)
1 Feb 1934: Flight Commander, No 201 Sqn. (Southampton)
28 Mar 1935: QFI, No 1 FTS.
1 Nov 1936: Flight Commander, No 166 Sqn. (Heyford)
25 Oct 1938: Personnel Staff Officer, HQ British Forces in Iraq.
xx xxx 1940: Senior Personnel Staff Officer, HQ British Forces in Iraq.
xx Aug 1941: Senior Personnel Staff Officer, AHQ Iraq.
31 Aug 1941: Officer Commanding, No 84 Sqn.
6 Apr 1942: Officer Commanding, RAF Binbrook.xx xxx 1942: Air Staff, HQ Bomber Command.
18 Feb 1943: SASO, HQ No 8 (Pathfinder Force) Group.
1945 – 46: OC, various RAF Stations