U.S. Marines and veterans honor the American flag through the playing of the national anthem during the 70th Anniversary Reunion of Honor of the Battle of Iwo Jima at Iwo To, Japan, March 21, 2015. The Iwo Jima Reunion of Honor is an opportunity for Japanese and U.S. veterans and their families, dignitaries and leaders from both nations, and Marines and sailors of III Marine Expeditionary Force to honor the brave men who fought on the island 70 years ago. (U.S. Marine Corps photo by MCIPAC Combat Camera Cpl. Sara A. Medina / Released)