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
Heraldic badges of the Royal Air Force former No. 60 Group (Signals) badge; the only difference being the name of the unit was changed and the indentations where the unit number used to be on the main badge was removed. Approval and design of badges extends to all units associated with the Royal Air Force; Regular, Reserve, Auxiliary and Air Training Corps. Over 800 squadron and unit badges, carved from Welsh slate, are set into the floor of the central church of the Royal Air Force, St Clements Danes, London. The first carved badge was placed in the floor by its carver, Madge Whiteman, in 1958. Whiteman