170907-N-PX867-003 SAN DIEGO (September 7, 2017) Sailors assigned to amphibious assault ship USS Boxer (LHD 4), take the Navy-wide advancement exam aboard the ship’s barge (APL 65). Boxer is currently in its homeport undergoing a phased-maintenance availability. (U.S. Navy photo by Mass Communication Specialist 3rd Class Justin Whitley/Released)