
ASSOCIATED PRESS PHOTOGRAPHS U.S. Army Sgt. Jason Thompson (left) and Lt. Col. Nate Flegler wave to one of the last Stryker armored vehicles to leave Iraq.

U.S. Army Sgt. Jason Thompson, left, and Lt. Col. Nate Flegler, right, wave to one of the last Stryker armored vehicles to leave Iraq as it crosses the border into Kuwait at the Khabari border crossing, Thursday, Aug. 19, 2010. The U.S. Army's 4th Brigade, 2nd Infantry Division is the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

U.S. Army Spc. Luisito Brooks gives a thumbs-up to the last Stryker armored vehicle of the 4th Brigade to leave Iraq, as it crosses the border into Kuwait at the Khabari border crossing, Thursday, Aug. 19, 2010. The U.S. Army's 4th Brigade, 2nd Infantry Division is the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

In this Aug. 16, 2010 photo, U.S. Army Staff Sgt. Luke Dill, from 4th Battalion, 9th Infantry Regiment, 4th Brigade, 2nd Infantry Division are seen in the motor pool at Camp Virginia in Kuwait as they strip their armored Stryker vehicles before shipping them to the U.S.. Staff Sgt. Dill, who first came to Iraq during the 2003 invasion, is part of the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

U.S. Army Col. John Norris, commander of the 4th Stryker Brigade Combat Team, 2nd Infantry Division, waits for the last Stryker armored vehicle carrying his soldiers to arrive after crossing into Kuwait from Iraq, Thursday, Aug. 19, 2010. The U.S. Army's 4th Brigade, 2nd Infantry Division is the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

A U.S. Army soldier from 2nd Battalion, 23rd Infantry Regiment, 4th Brigade, 2nd Infantry Division waves from his Stryker armored vehicle after crossing the border from Iraq into Kuwait Wednesday, Aug. 18, 2010. The soldiers are part of the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

In this Aug. 16, 2010 photo, a U.S Army soldier dismantles a machine gun mounted on his Stryker armored vehicle immediately after crossing the border from Iraq into Kuwait. The U.S. Army's 4th Battalion, 9th Infantry Regiment, part of the 4th Brigade, 2nd Infantry Division, are the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)