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
Central Band of the Royal Air Force to the sterling accomplishments of Central Band musicians. As serving members of the Royal Air Force, Music Services musicians also undertake key operational support roles. Most recently Royal Air Force Musicians have deployed on Operation TELIC, Operation HERRICK, and Operation KIPION, and have also completed medical support roles in the Falkland Islands. From the concert stage to operational theatres around the globe, Central Band musicians display, in their conduct and performance, the excellence for which the Royal Air Force has become renowned during its illustrious history. All band members are fully trained military personnel. The Director of Music is Squadron