<Ul> <Li> Captain (United States Navy and United States Coast Guard) </Li> </Ul> <Li> Captain (United States Navy and United States Coast Guard) </Li> <P> In the United States Army, Marine Corps, and Air Force, colonel / ˈkɜːrrnəl / 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 . </P> <P> 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 a lieutenant colonel before being promoted . </P>

What is the equivalent of a colonel in the navy