Robert Cecil Dawkins was a senior office in the Royal Air Force with a rank immediately below what other rank?
Group captain Group Captain, is a senior commissioned rank in many air forces. Group Captain has a NATO rank code of OF-5, meaning that it ranks above Wing commander, immediately below Air Commodore and is the equivalent of the naval rank of Captain and the rank of Colonel in other services.
Lieutenant commander Lieutenant commander (also hyphenated lieutenant-commander and abbreviated Lt Cdr, LtCdr. or LCDR) is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank in most armies (armed services) and air forces is "major", and in the Royal Air Force and other Commonwealth air forces is "squadron leader".