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
Captain general of the Air Force Captain general of the Air Force Captain General of the Air Force ("Capitán General del Aire" / "Capitán General del Ejército del Aire" in Spanish) is a five-star air force officer rank and the highest rank of the Spanish Air Force. The five-star NATO rank code is OF-10. The honorary appointments formally ceased in 1999. The rank of Air captain general is equivalent to a Marshal of the Air Force in many nations such as the United Kingdom, a general of the Air Force of the United States, a capitain general of the Spanish Army "(Ejército de Tierra Español)" or