The Army will deploy roughly 6,100 soldiers to Afghanistan this spring and summer, as part of the next scheduled rotation. Units include: 2,800 soldiers from the 101st Combat Aviation Brigade, Fort Campbell, Ky., scheduled to deploy in the spring; and 3,300 soldiers from the 1st Brigade Combat Team, 4th Infantry Division, Fort Carson, Colo., scheduled to leave in the summer. The 101st contingent will fulfill U.S. obligations to maintain adequate strength levels. The 1st BCT will help train Afghan security forces.