U. S. Air Force Master Sgt. Mandy Denhardt, base services manager for the 155th Air Refueling Wing, marks the location of simulated human remains during a search and recovery training exercise Aug. 23, 2017 at the 180th Fighter Wing in Swanton, Ohio. The training was conducted with real animal remains to help Airmen prepare for situations they might encounter during an actual search and recovery mission. (U.S. Air National Guard photo by Staff Sgt. Shane Hughes)