HANSCOM AIR FORCE BASE, Mass. – Hanscom firefighters, along with Armstrong Ambulance team members, attend to the injured during the mass casualty portion of the base readiness exercise conducted Jan. 19 to 21. A temporary triage area was established in the middle of Vandenberg Drive to treat the victims of an explosion that was as part of the three-day exercise event. (U.S. Air Force photo by Rick Berry)