Petty Officer Third Class is the fourth enlisted rank in the U.S. Navy and U.S. Coast Guard, just above Seaman and below Petty Officer Second Class, and is the lowest form of non-commissioned officer, equivalent to a Corporal in the U.S. Army and Marines Petty Officer Third Class shares the same pay grade as Senior Airman in the Air Force, which does not have an NCO rank corresponding with E-4.
Also known as:
- E-4