The senior enlisted person in a battalion, regiment, group, wing or higher. His or her insignia consists of three chevrons and four rockers with a star between the chevrons and rockers. The pay grade is E-9 and it is shared with the rank of master gunnery sergeant. In the Army, the rank is the same but the insignia contains one less rocker. In the Air Force, the rank is chief master sergeant and the insignia is a technical sergeant insignia with three chevrons on top. In the Navy and Coast Guard, the insignia is worn on the left arm only and consists of a chief petty officer insignia with two stars above the eagle.