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 (Canadian army and air force) Captain (Canadian army and air force) Captain is a rank in the Canadian military. In the Canadian Army, the rank insignia of an army captain is three pips and in the Royal Canadian Air Force, the rank insignia of an air force captain is two wide bars. The rank insignia of a navy captain is four wide bars. All officer bars are of gold thread in the dress uniforms, olive drab in combat uniform. The equivalent rank in the Royal Canadian Navy is lieutenant. Prior to the unification of the Canadian Forces in 1968, the Royal Canadian Air Force used