Staff Sgt. Sean Liebman, 779th Medical Operations Squadron intensive care unit technician and class instructor, teaches Security Forces Airmen during a Combat Life Saver class, at Joint Base Andrews, Md., Feb. 26, 2016. More than 15 Security Forces Airmen took part in an all-day training class that provides them the tools to render care in the field under fire or in combat. (U.S. Air Force Senior Airman Dylan Nuckolls/Released)