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
Royal Thai Air Force Security Force Regiment Royal Thai Air Force Security Force Regiment The Royal Thai Air Force Security Force Regiment () is a 100-man unit in the Royal Thai Air Force's Special Combat Operations Squadron, has been in existence since the late 1970s. They are based near Don Mueang International Airport and provide anti-hijacking capabilities. They have three assault platoons, each divided into two smaller sections. Royal Thai Air Force Security Force Regiment at that time it was called infantry division, established by the influence of RAF Regiment. It organized according to the official rate of the Royal Thai Air Force in 1937 so-called "military