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
Uniforms of the Royal Air Force overtrousers were issued. Although not initially intended it quickly became standard practice for officers and other ranks to attach rank badges to the lapels and wear the nylon jacket in place of the uniform raincoat, as a more practical modern wear. The Royal Air Force ranks and insignia form part of the uniform of the Royal Air Force. Royal Air Force rank insignia were based on combination of those of the Royal Navy officer rank insignia and British Army. For officers (see also RAF officer ranks): For other ranks (see also RAF other ranks): The Royal Air Force has the