Units are gearing up for winter and spring deployments to replace other units in Europe, Afghanistan, Iraq and Kuwait as part of a regular rotation of forces in support of ongoing missions.

Two 1st Infantry Division units from Fort Riley, Kan., will deploy in support of Operation Atlantic Resolve in Europe and one division unit will deploy to Afghanistan in support of Operation Freedom’s Sentinel.

In Europe, the 1st Infantry Division’s 1st Brigade Combat Team will replace the 1st Cavalry Division’s 1st Armored Brigade Combat Team of Fort Hood, Texas, and the 1st Infantry Division’s Combat Aviation Brigade will replace the 4th Infantry Division Combat Aviation Brigade of Fort Carson, Colo.

On the way to Afghanistan in support of Operation Freedom’s Sentinel are the Fort Riley-based 1st Infantry Division Sustainment Brigade, to replace the 101st Airborne Division (Air Assault)’s Sustainment Brigade from Fort Campbell, Ky.; also, the 1st Cavalry Division Headquarters from Fort Hood will replace the California Army National Guard’s 40th Infantry Division Headquarters, and the 1st Armored Division Combat Aviation Brigade will replace the 101st Airborne Division Combat Aviation Brigade.

Also headed to Afghanistan is the 2nd Security Force Assistance Brigade from Fort Bragg, N.C. The unit will assume the dedicated train, advise and assist mission begun by the 1st SFAB from Fort Benning, Ga., on its inaugural deployment of the Army’s newest combat formation.

In Iraq, the 3rd Cavalry Regiment from Fort Hood will be replaced by the 1st Brigade Combat Team of the 101st Airborne Division in support of Operation Inherent Resolve. And the Mississippi Army National Guard’s 155th Armored Brigade Combat Team, on assignment in Kuwait in support of Operation Spartan Shield, will be replaced by the 4th Infantry Division’s 3rd Armored Brigade Combat Team from Fort Carson.