The second grade of commissioned officer, indicated by a silver bar on the collar of the uniform. The pay grade is O-2 and is the same in the Army and Air Force. In the Navy and Coast Guard the rank is lieutenant (junior grade) and is additionally indicated on shoulder boards or coat cuffs by one wide and one narrow gold stripe topped by an insignia indicating a branch (usually a gold star in the Navy or a gold shield in the Coast Guard indicating a line officer). In the Navy it refers to the Deck Division officer or person in charge of general seamanship.