Description

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 left-side version is also worn centered on fatigue caps, helmets, Army ACU & ECWCS breasts, inter alia). By law, a colonel must have 22 years of service and a minimum of three years of service as…