A US 2nd Infantry Division AH-64 Longbow Apache attack helicopter takes part in a military drill in Yeoncheon, 28 July 2003, a day after veterans from 16 nations marked the 50th anniversary of the Korean War armistice agreement.  US Deputy Defense Secretary Paul Wolfowitz marked the 50th anniversary 27 July, warning that until things change in North Korea, the United States must guard "against renewed agressions."    AFP PHOTO/KIM JAE-HWAN  (Photo credit should read KIM JAE-HWAN/AFP via Getty Images)