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
Ranks and insignia of Royal Danish Air Force Ranks and insignia of Royal Danish Air Force The Royal Danish Air Force ranks follows the NATO system of ranks and insignia, as does the rest of the Danish Defence. The ranks used are based around the Royal Air Force, with some minor changes. For example, 3 strips in the RAF is a OF-4, while only a OF-3 in Denmark. The highest officer's rank is OF-9 (General) which is reserved for the Chief of Defence (only when this seat is occupied by an Air Force officer). Similarly, OF-8 (Lieutenant general) is reserved for the "Vice Chief of Defence"). OF-7 (Major