Senior Airman Claudia Rogers (first from right) and Staff Sgt. Isaac Dompreh (second from right) assist 512th Airlift Wing reservists with taking account of M-50 gas mask kits they were issued Sept. 9, 2017 at Dover Air Force Base, Del. The mask kits included air filters, operation and cleaning instruction cards, a water canteen cap and an M-50 Gas Mask. (U.S. Air Force photo by Staff Sgt. Joe Yanik)