— U.S. TROOP LEVELS: _October 2007: 170,000 at peak of troop buildup. _August 2008: 146,000. CASUALTIES: _Confirmed U.S. military deaths as of Sept. 1, 2008: At least 4,151. _Confirmed U.S. military wounded (hostile) as of Sept. 2, 2008: 30,568. _Confirmed U.S. military wounded (non-hostile, using medical air transport) as of Aug. 2, 2008: 33,529. ...