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
General of the Army (United States) also the only person to hold a five-star rank in two branches of the U.S. Armed Forces. These officers who held the rank of General of the Army remained officers of the United States Army for life with an annual $20,000 (equivalent to $180,000 in 2016) pay and allowances. They were entitled to an office maintained by the Army along with an aide (of the rank of colonel), a secretary and an orderly. No officers have been appointed to the rank of General of the Army since Omar Bradley. The rank of General of the Army is still maintained as