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
Sergeant Major of the Army (South Africa) SANDF expanded the Warrant Officer ranks and the Sergeant Major of the Army now holds the rank of Senior Chief Warrant Officer. Prior to 2002 the Sergeant Major of the Army had a unique rank insignia, consisting of a Warrant Officer class 1 insignia with the South African Army badge above it. After the Warrant Officer rank redesign the Sergeant Major of the Army does not have a unique rank insignia, but rather uses the rank insignia of the rank of Senior Chief Warrant Officer. Sergeant Major of the Army (South Africa) The Sergeant Major of the South African Army