The 82d Aviation Regiment, part of the U.S. Army, has three battalions and one separate company under the Combat Aviation Brigade, 82d Airborne Division. The brigade also has the 1st Squadron, 17th Cavalry Regiment and the 122d Aviation Support Battalion. The lineages for the Combat Aviation Brigade,82d Airborne Division and its subordinate units of the 82d Aviation Regiment, although often mistaken for one another, are separate.