U.S. Congressman Sam Johnson (right), of Texas, Secretary of Defense Donald H. Rumsfeld (center) and Chairman of the Joint Chiefs of Staff Gen. Richard B. Myers (left), U.S. Air Force, watch as the state and territorial flags of the United States pass in review at the close of the National POW/MIA Recognition Day observance at the Pentagon on Sept. 20, 2002. Johnson, an Air Force fighter pilot during the Korean and Vietnam Wars, spent seven years in captivity in Hanoi, Vietnam, after his F-4 Phantom was shot down on his 25th combat mission of that war.