Staff Sgt. Henry Delevett, right, an observer controller/trainer with Division West's 479th Field Artillery Brigade, watches Sgt. Douglas Hayes, a medic with the Army Reserve's 311th Expeditionary Sustainment Command out of Los Angeles, treat a simulated casualty during training conducted at Fort Hood on Friday. The casualty was later medically evacuated by Foxtrot Company, 1st Battalion, 169th General Support Aviation Battalion, an Army National Guard unit with soldiers from Missouri, New York, New Hampshire and Pennsylvania, that is training with Division West's 166th Aviation Brigade. The Reserve and National Guard units will both soon deploy to Afghanistan.