180701-N-XT273-154 MEDITERRANEAN SEA (July 1, 2018) Gunner’s Mate 2nd Class Christina Nichols trains Sailors and U.S. Naval Academy midshipmen on .50-caliber machine gun maintenance aboard the Blue Ridge-class command and control ship USS Mount Whitney (LCC 20) in the Mediterranean Sea, July 1, 2018. Mount Whitney, forward-deployed to Gaeta, Italy, operates with a combined crew of U.S. Navy Sailors and Military Sea Lift Command civil service mariners. (U.S. Navy photo by Mass Communication Specialist 1st Class Justin Stumberg/Released)