Cabrillo Bridge Reenactment 150509-M-WD767-011 (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, exchanges a plant with Kevin L. Faulconer (right), the Mayor of San Diego, at Balboa Park, San Diego, Calif., on May 9, 2015. The exchange was part of a ceremony commemorating 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. Kent Springfield II/ Released)