Last Known World War I Survivor Frank Buckles Visits Pentagon

WASHINGTON – MARCH 6: U.S. Secretary of Defense Robert Gates (L) applauds as a portrait of World War I veteran Frank Woodruff Buckles, 107, is unveild at the Pentagon March 6, 2008 in Arlington, Virginia. Buckles (2L), who enlisted in the U.S. Army on August 14, 1917, is the last known WWI survivor living in the United States. Buckle’s picture is one of nine portraits of WWI veterans taken by photographer David DeJonge, who has donated them to the Pentagon for permanent display. (Photo by Chip Somodevilla/Getty Images)