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
John Barrington (British Army officer) John Barrington (British Army officer) Major-General John Barrington (died 2 April 1764) was an officer of the British Army, the third son of John Barrington, 1st Viscount Barrington. He served in the 3rd Foot Guards, and in 1746 he obtained the commission of captain-lieutenant in the 2nd Foot Guards, in which corps he was promoted to the rank of captain and lieutenant-colonel in 1748. In 1756 he was promoted to the rank of colonel, and appointed aide-de-camp to King George II. In 1758 the King gave him the colonelcy of the 64th Regiment of Foot, then formed from the second