Cabrillo Bridge Reenactment 150509-M-PG109-006 (cropped)

U.S. Marine Corps Brig. Gen. James W. Bierman (left), commanding general of Marine Corps Recruit Depot San Diego and the Western Recruiting Region, Kevin L. Faulconer (center), the mayor of San Diego, and Todd Gloria (right), city councilmember, pay respects during the playing of the National Anthem at Balboa Park, San Diego, Calif., on May 9, 2015. The National Anthem was part of the festivities to commemorate the 100th anniversary of the Balboa Park 1915 Exposition, and the Marine Corps' long history with the city of San Diego. (U.S. Marine Corps photo by Lance Cpl. Samantha R. Shelton/Released)