First of the Flag Officer ranks, signified by a silver star on the collar of the uniform. (background) The pay grade is O-7 and is the same in the Army and the Air Force. In the Navy and Coast Guard, the rank is Rear Admiral (lower half) and at some times the rank of Commodore has been used. The rank is additionally indicated on the sleeves of various uniforms by a two-inch gold band topped by a one-inch gold band and an insignia indicating the branch of the service to which the officer is assigned (most often a gold star indicating a line officer). Shoulder boards are mostly gold with a silver-foiled anchor and one silver star.