U.S. Army Col. John Norris, commander of the 4th Stryker...

U.S. Army Col. John Norris, commander of the 4th Stryker Brigade Combat Team, 2nd Infantry Division, waits for the last armored vehicle carrying his soldiers to arrive after crossing into Kuwait from Iraq, early Thursday morning. 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. (August 19, 2010) Credit: AP

KHABARI CROSSING, Kuwait - As their convoy reached the barbed wire at the border crossing out of Iraq Wednesday, the soldiers whooped and cheered. Then they scrambled out of their stifling hot armored vehicles, unfurled an American flag and posed for group photos.

For these troops of the 4th Stryker Brigade, 2nd Infantry Division, it was a moment of relief fraught with symbolism. Seven years and five months after the U.S.-led invasion, the last American combat brigade was leaving Iraq, well ahead of President Barack Obama's Aug. 31 deadline for ending U.S. combat operations there. The brigade had been designated the last combat brigade to leave.

When Army Spc. Luke Dill, 18, first rolled into Iraq as part of the U.S. invasion, his Humvee was so vulnerable to bombs that the troops lined its floor with flak jackets. Now 25 and a staff sergeant after two tours of duty, he rode out of Iraq this week in a Stryker, an eight-wheeled behemoth encrusted with armor and add-ons to ward off grenades and other projectiles.

"It's something I'm going to be proud of for the rest of my life - the fact that I came in on the initial push and now I'm leaving with the last of the combat units," he said.

Now, waiting for him back in Olympia, Wash., is the "Big Boy" Harley-Davidson he purchased from a dealership at a U.S. base in Iraq, a vivid illustration of how embedded the American presence had become since the invasion of March 20, 2003.

That presence is far from over. Scatterings of combat troops still await departure, and some 50,000 will stay another year in what is designated as a noncombat role.

So the U.S. death toll, at least 4,415 by Pentagon count as of yesterday, may not yet be final.

The Stryker brigade, based in Joint Base Lewis-McChord in Washington state and named for the vehicle that delivers troops into and out of battle, lost 34 troops in Iraq. It was at the forefront of many of the fiercest battles, including operations in eastern Baghdad and Diyala province during "the surge" of 2007. It evacuated troops at the battle of Tarmiyah, an outpost where 28 out of 34 soldiers were wounded holding off insurgents.

Before the Aug. 31 deadline, about half the brigade's 4,000 soldiers flew out like most of the others leaving Iraq, but its leadership volunteered to have the remainder depart overland. That allowed the unit to keep 360 Strykers in the country for an extra three weeks.

The intention was to keep additional firepower handy through the "period of angst" that followed Iraq's inconclusive March 7 election, said brigade chief Col. John Norris.

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