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
Captain (Canadian army and air force) Captain (Canadian army and air force) Captain is a rank in the Canadian military. In the Canadian Army, the rank insignia of an army captain is three pips and in the Royal Canadian Air Force, the rank insignia of an air force captain is two wide bars. The rank insignia of a navy captain is four wide bars. All officer bars are of gold thread in the dress uniforms, olive drab in combat uniform. The equivalent rank in the Royal Canadian Navy is lieutenant. Prior to the unification of the Canadian Forces in 1968, the Royal Canadian Air Force used