Private First Class
1. The second enlisted rank in the Marine Corps. Designated by a single chevron on each sleeve. 2. The pay grade is E-2 and is equivalent to an Army private (the Army has two ranks of privates) who also wears a single chevron. 3. In the Air Force, an airman wears an inverted single stripe with a star in a circle which covers the point of the chevron. 4. Navy and Coast Guard seaman apprentices wear two slashes in a box on the left sleeve only.