Staff Sgt. Alexandra Ackerman, an aerospace medical technician assigned to the 910th Medical Squadron, tests the functions of a trauma SimMan Sept. 12, 2020, at the 910th MDS building at Youngstown Air Reserve Station. A SimMan creates simulations to assess what would need to be done in a critical medical situation. (U.S. Air Force photo/Staff Sgt. Juliet Louden)