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
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