190121-N-EZ002-1004 PACIFIC OCEAN (Jan. 21, 2019) U.S. Marine Corps 1st Lt. Taylor Barefoot, right, assigned to 11th Marine Expeditionary Unit (MEU), instructs U.S. Marine Corps 1st Lt. Nathaniel Lambert on target acquisition with an FIM-92 Stinger troop missile launcher on the flight deck of amphibious assault ship USS Boxer (LHD 4). Boxer is underway conducting routine operations as a part of USS Boxer Amphibious Ready Group (ARG) in the eastern Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Keypher Strombeck/Released)