819 RHS prepares for annual validation tests
Staff Sgt. Kelli Alvarez, 819th RED HORSE Squadron supply non-commissioned officer in charge, provides medical aid to Staff Sgt. Marina Miller, 819 RHS independent duty medical technician, during a field training exercise Oct. 8, 2025, at Malmstrom Air Force Base, Mont. Airmen performed perimeter checks, accountability and medical aid in response to a simulated chemical attack. (U.S. Air Force photo by Airman 1st Class Jack Rodriguez Escamilla)