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
History of the Royal Canadian Air Force History of the Royal Canadian Air Force The history of the Royal Canadian Air Force begins in 1920, when the air force was created as the Canadian Air Force (CAF). In 1924 the CAF was renamed the Royal Canadian Air Force (RCAF) when it was granted the royal title by King George V. The RCAF existed as an independent service until 1968. Prior attempts at forming an air force for Canada were the Canadian Aviation Corps that was attached to the Canadian Expeditionary Force, and a two-squadron Canadian Air Force that was attached to the Royal Air Force. The modern