Jim Laychak, right, the president of the Pentagon Memorial Fund, gives King Carl XVI Gustaf and Queen Silvia of Sweden a tour of the Pentagon Memorial in Arlington, Va., May 10, 2013.
During the tour, the king and queen laid flowers at the memorial bench for Dana Falkenberg, the youngest person killed in the September 11 attack on the Pentagon.
(DoD photo by Erin A. Kirk-Cuomo/Released)