Col. Drew Tancer, the 910th Airlift Wing’s safety officer, briefs the northeast chapter of the American Society of Safety Professionals on Youngstown Air Reserve Station spray system safety standards and maintenance, Nov. 16, 2018. YARS is home to the DoD’s only large area fixed-wing aerial spray capability to control disease-carrying insects, pest insects, undesirable vegetation and to disperse oil spills in large bodies of water. (U.S. Air Force photo/Senior Airman Noah J. Tancer)