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 (Royal Navy) Lieutenant Commander (often abbreviated Lt Cdr) is a senior officer rank of the Royal Navy of the United Kingdom. It is immediately junior to commander and immediately senior to the naval rank of lieutenant.