Group captain the wing commander and group captain command pennants are triangular in shape. The rank of group captain is also used in a number of the air forces in the Commonwealth, including the Bangladesh Air Force, Ghana Air Force, Indian Air Force (IAF), Nigerian Air Force, Pakistan Air Force (PAF), Royal Australian Air Force (RAAF), Royal New Zealand Air Force (RNZAF), Sri Lankan Air Force and the Trinidad and Tobago Air Guard. It is also used in the Egyptian Air Force, Hellenic Air Force, Royal Air Force of Oman and the Royal Thai Air Force. The Royal Canadian Air Force used
Royal Australian Air Force Nursing Service there via the Cocos Islands, to RAAF Pearce in Western Australia, then to RAAF Richmond in New South Wales. In 1977 the Royal Australian Air Force Nursing Service ceased to exist as an independent branch when it was integrated into the Royal Australian Air Force. All RAAFNS recruits were commissioned on entry with the rank of flying officer, though they had their own rank structure. Royal Australian Air Force Nursing Service The Royal Australian Air Force Nursing Service (RAAFNS) was a branch of the Royal Australian Air Force, which existed from 1940 to 1946, and from 1948 to 1977. Members