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.