U.S. Navy Force Master Chief Nancy Hollingsworth, left; Coast Guard Master Chief Petty Officer of the Coast Guard Michael P. Leavitt, center; and Marine Corps Sgt. Maj. of the Marine Corps Micheal P. Barrett participate in the Senior Enlisted Leaders Roundtable at the 2013 Navy League Sea-Air-Space Exposition in National Harbor, Md., April 9, 2013.