Military rank Typical army and marine field officer ranks include colonel , lieutenant colonel, major and, in the British army, captains holding an adjutant's appointment. In many Commonwealth countries the field rank of brigadier is used, although it fills the position held by brigadier general in other countries. Naval and coast guard senior officer ranks include captain and commander. In some countries, the more senior rank of commodore is also included. In others lieutenant-commanders, as equivalents to army and marine majors, are considered senior officers. Commonwealth air force senior officer ranks include group captain, wing commander, and squadron leader, where such ranks
Royal Air Force Antarctic Flight from Mawson station. One was lost on the return voyage, but the other served in Antarctica over a number of years until it was sold after the end of the 1958/59 season. Another two Austers were operated by the RAF and RNZAF (as "Auster Antarcticas") as part of the Commonwealth Trans-Antarctic Expedition in 1955-58. Royal Air Force Antarctic Flight The Royal Air Force Antarctic Flight was an independent flight of the Royal Air Force organised to support the Norwegian–British–Swedish Antarctic Expedition in 1949-50. It was the first RAF unit to operate in Antarctica. The Flight was led by Squadron-Leader George