FORT CAMPBELL, Ky. — The 101st Airborne Division (search) on Thursday reactivated a historic unit whose actions during World War II and Vietnam were the subject of the book "Band of Brothers." (search) The 506th Regimental Combat Team — also known as the "Currahees," a Cherokee Indian word meaning "stands alone" — returned to the division just as its soldiers were completing final preparations to return to Iraq.