Rank insignia of U.S. Service members are displayed on a piece of wood on a memorial site at the top of Mount Suribachi on Iwo To, Japan, March 21, 2015. Attendees of the 70th Anniversary Reunion of Honor of the Battle of Iwo Jima visited the site to pay respects following the ceremony. 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)