Combat brigades in Iraq under different name

"As the final convoy of the Army’s 4th Stryker Brigade Combat Team, based at Fort Lewis, Wash., entered Kuwait early Thursday, a different Stryker brigade remained in Iraq.  Soldiers from the 2nd Stryker Brigade Combat Team of the 25th Infantry Division are deployed in Iraq as members of an Advise and Assist Brigade, the Army’s designation for brigades selected to conduct security force assistance.  So while the “last full U.S. combat brigade” have left Iraq, just under 50,000 soldiers from specially trained heavy, infantry and Stryker brigades will stay, as well as two combat aviation brigades."