U.S. Marines with Headquarters and Support Battalion Honor Guard, Marine Corps Installations West-Marine Corps Base Camp Pendleton execute the 21-Gun Salute during the 104th Anniversary of President Ronald Reagan's Birthday at the Air Force One Pavilion, Calif., Feb. 6, 2015. The President of the United States has directed that a presidential wreath be placed at the resting place of all former presidents on the anniversary of their birth. (U.S. Marine Corps photo by Cpl. Ismael E. Ortega, MCIWEST-MCB CamPen Combat Camera/Released)