U.S. Air Force Master Sgt. Stephen Cotta, 86th Airlift Wing Inspector General readiness planner, gives smoke grenade canisters and ground burst materials to fellow IG readiness planner, Master Sgt. Stephanie Coronado, during exercise Operation Varsity 20-04 at Ramstein Air Base, Germany, Oct. 21, 2020. The materials are used to simulate real incidents during exercises and generate responses from units. (U.S. Air Force photo by Airman 1st Class Taylor D. Slater)