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 the Navy "(Armada Española)". This rank is reserved to the monarch as Commander-in-chief. An Air captain general's insignia consists of two command sticks under five four-pointed stars below the Royal Crown and a golden string. The Spanish Air Force as a separated branch of the Spanish Armed Forces was officially established on 7 October 1939, after the Spanish Civil War. Francisco Franco as head of Spanish state and commander-in-chief named himself 1st captain general of the Spanish Air Force. General Ángel Salas Larrazábal, a veteran fighter pilot, has been the only honorary Air captain general (1991-1994). Captain general of the