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
Colonel general general. Before 1943, Soviet colonel generals wore four stars on their collar patches (). Since 1943, they have worn three stars on their shoulder straps, so Charles Pettibone compares the rank to the US lieutenant general. The rank still exists in the contemporary Russian Army and Air Force. Unlike the German (which it most probably calqued), the Soviet and Russian colonel general rank is neither an exceptional nor a rare one, as it is a normal step in the "ladder" between a two-star lieutenant general and a four-star army general. Other than that, the Soviet and Russian rank systems sometimes