Soldiers of Company B, 4th Battalion, 9th Infantry Regiment, 1st Stryker Brigade Combat Team, 4th Infantry Division carry a “casualty” on a litter to a UH-60 Black Hawk helicopter during cold and hot load training Jan. 14, 2015. They practiced entering and exiting a helicopter for air assault missions, loading litter patients and removing the litter while the blades were not turning during training.