Cpl. Cesar W. Rivero shows veterans where to sign a copy of an Iwo Jima map at the Marines' Memorial Club and Hotel library in San Francisco March 13, 2013. Rivero,25, an administrative specialist assigned to Headquarters Company,23rd Marine Regiment, was there to assist with the proceedings at the 68th Anniversary of the Battle of Iwo Jima with a luncheon ceremony. The event was also an opportunity to accentuate the connection between the WWII-era 4th Marine Division with today's 4th Marine Division and Marine Forces Reserve. More than 100 veterans, modern Marines and guests were in attendance.