Colonel (United States) Colonel (United States) In the United States Army, Marine Corps, and Air Force, colonel () is the most senior field grade military officer rank, immediately above the rank of lieutenant colonel and immediately below the rank of brigadier general. It is equivalent to the naval rank of captain in the other uniformed services. The pay grade for colonel is O-6. The insignia of the rank of colonel, as seen on the right, is worn on the officer's left side (a mirror-image version is worn on the right side, such that the eagle always faces forward to the wearer's front; the
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