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

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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

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

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