Petty Officer 1st Class Mark Vanwyck (right) briefs commanders and their Honorary Commanders prior to a tour of the Cooper River at Joint Base Charleston, S.C., June 13, 2016. The tour allowed leaders to learn about the unique water mission the Navy shares with the Air Force and see first-hand what it is like to patrol the harbor. (U.S. Air Force photo/Tech. Sgt. Renae Pittman)