190302-N-RF885-007 CHARLESTON, S.C. (March 2, 2019) Secretary of the Navy Richard V. Spencer delivers his remarks during the commissioning ceremony of USS Charleston (LCS 18). LCS 18 is the sixteenth littoral combat ship to enter the fleet and the ninth of the Independence variant. It is the sixth ship named for Charleston, the oldest and largest city in the U.S. state of South Carolina. (U.S. Navy photo by Mass Communication Specialist 2nd Class Natalia Murillo/Released)