Staff Sgt. Troy Stallard, 11th Medical Operations Squadron paramedic, demonstrates how to use a stretcher during the third annual water safety camp at Joint Base Andrews, Md., Aug. 23, 2018. Camp participants met with representatives from security forces, the fire department, emergency services and the Red Cross to teach them about what first responders do in an emergency. (U.S. Air Force photo by Senior Airman Abby L. Richardson)