KADENA AIR FORCE BASE, Japan -- The 18th Security Force Squadron, U.S. Army Green Beret assigned to 1st Battalion, 1st Special Forces Group (Airborne) and U.S. Navy Seals conducted a joint operation active shooter exercise at Kadena Air Base, Japan, July 20, 2023. Exercises like these allow joint forces to increase interoperability, lethality and readiness in the event of real-world emergencies.