Petty officer, second class

Good conduct
variation,

Petty Officer
Second Class
insignia
&
U.S. Coast Guard

Petty officer, second class is the fifth enlisted rate in the U.S. Navy, U.S. Coast Guard, and the United States Naval Sea Cadet Corps, just above petty officer third class and below petty officer first class, and is a non-commissioned officer. It is equivalent to the rank of sergeant in the Army and Marine Corps, and staff sergeant in the Air Force.