Adam Fruge, 341st Logistics Readiness Squadron hazardous materials supervisor (left), and Master Sgt. Robert Carroll, 490th Missile Squadron member, practice a self-defense scenario during a Gracie Academy Women Empowered self-defense seminar. Malmstrom Air Force Base is the third military installation to receive weeklong seminars based on Gracie Jiu-Jitsu techniques. (U.S. Air Force photo/Senior Airman Katrina Heikkinen)