Santiago Erevia is one of only three living soldiers receiving a Medal of Honor on March 18. Behind him is a photo projection of his younger self in uniform. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

In 1984, an American Army unit engaged in this firefight as it shielded a Soviet defector who made a break across the Demilitarized Zone between North Korea and South Korea. Thirty years after the battle, one of the U.S. soldiers, Mark Deville, has finally received a Silver Star for his bravery. Courtesy of Mark Deville hide caption

itoggle caption Courtesy of Mark Deville

Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff, talking to U.S. military personnel in Tokyo last April. Kyodo/Landov hide caption

itoggle caption Kyodo/Landov