ARLINGTON, VA - JULY 27:  U.S. Army veteran Andres Vergara, 90, of Clearwater, Florida, salutes during the commemoration of the 59th anniversary of the Korean War Armistice at Arlington National Cemetery July 27, 2012 in Arlington, Virginia. With four official combat jumps, paratrooper Vergara recieved the South Korean medal of honor for rescuing 100 children from an orphanage during the war.  (Photo by Chip Somodevilla/Getty Images)

A US Army Honor Guard (R) is inspected as his Sergeant(L) oversees the change over the duty of guarding the Tomb of the Unknown Soldier shortly before the start of the "Heroes Remembered" commemoration of the 59th anniversary of the Korean War Armistice in the amphitheater of Arlington National Cemetery July 27, 2012, in Arlington,Virginia. The Armistice was signed in Panmunjom, Korea, July 27th, 1953, after three years of bloody fighting between the US-led United Nations, the People's Republic of China, North Korea, and South Korea. AFP Photo/Paul J. RichardsPAUL J. RICHARDS/AFP/GettyImages

A US Army Honor Guard (R) is inspected as his Sergeant(L) oversees the change over the duty of guarding the Tomb of the Unknown Soldier shortly before the start of  the "Heroes Remembered" commemoration of the 59th anniversary of the Korean War Armistice in the amphitheater of Arlington National Cemetery July 27, 2012, in Arlington,Virginia. The Armistice was signed in Panmunjom, Korea, July 27th, 1953, after three years of bloody fighting between the US-led United Nations, the People's Republic of China, North Korea, and South Korea.   AFP Photo/Paul J. RichardsPAUL J. RICHARDS/AFP/GettyImages

North Korean soldiers from the historic 105 tank unit man during a military exercise at an undisclosed location in North Korea Friday, July 27, 2012, marking the 59th anniversary of the armistice that ended the 1950-53 Korean War. The 105 tank unit, which denounced joint U.S. and South Korean military exercises, is named after North Korean military officer Ryu Kyong Su, honored by North Korea for his role leading troops during the Korean War. (AP Photo/Jon Chol Jin)

North Korean soldiers from the historic 105 tank unit man during a military exercise at an undisclosed location in North Korea Friday, July 27, 2012, marking the 59th anniversary of the armistice that ended the 1950-53 Korean War. The 105 tank unit, which denounced joint U.S. and South Korean military exercises, is named after North Korean military officer Ryu Kyong Su, honored by North Korea for his role leading troops during the Korean War. (AP Photo/Jon Chol Jin)