Craig was commissioned as a
pilot officer on 19 September 1951 (with seniority from 19 December 1949). He was initially put through the pilot's course at
No. 7 Flying Training School at
RAF Cottesmore where he was promoted to
flying officer on 19 March 1952 before earning his "wings" in April 1952. and then to 209 Advanced Flying School at
RAF Weston Zoyland where he was a jet conversion instructor. and posted to the
Air Ministry later that year. He attended
RAF Staff College in 1961 before joining
No. 35 Squadron at
RAF Coningsby in January 1963 initially as a flight commander and then as Officer Commanding the Squadron flying
Vulcan B2 aircraft. Promoted to
wing commander on 1 January 1964, Craig was appointed Military Assistant to the then
Chief of the Defence Staff,
Field Marshal Sir Richard Hull in June 1965. , a type flown by Craig in the early 1960s Craig was appointed an
Officer of the Order of the British Empire in the 1967
Birthday Honours and, having been promoted to
group captain on 1 January 1968, he became Station Commander at
RAF Cranwell later that year. He became
Aide-de-Camp to
the Queen in 1969. he became Station Commander at
RAF Akrotiri in
Cyprus later that year. Promoted to
air vice-marshal on 1 January 1975, he became Assistant Chief of Air Staff (Operations) on 25 March 1975. Appointed a
Companion of the Order of the Bath in the 1978
Birthday Honours, Craig became
Air Officer Commanding No. 1 Group later that year. He was promoted to
air marshal on 1 January 1981, and appointed to the post of Commander-in-Chief
RAF Strike Command on 20 September 1982 with the acting rank of air chief marshal on 21 September 1982. He was promoted to the substantive rank of
air chief marshal on 1 July 1983 and advanced to
Knight Grand Cross of the Order of the Bath in the 1984
Birthday Honours. Craig became
Chief of the Air Staff on 15 October 1985 and appointed
Air Aide-de-Camp to the Queen on the same date. As Chief of the Air Staff he advised the British Government on the ordering of the
Boeing Airborne early warning and control system and the development of the
European Fighter programme. Having been promoted to the rank of
Marshal of the Royal Air Force on 14 November 1988, he became
Chief of the Defence Staff on 9 December 1988. As Chief of the Defence Staff he advised the British Government on the deployment of 45,000 servicemen and women during the
Gulf War. He retired from service in 1991. ==Later work==