A role-player simulates brandishing an explosive vest and opening-fire on an entry control point during a high-risk situation training exercise at Fairchild Air Force Base, Washington, Oct. 15, 2018. Instructors from the 92nd Security Forces Squadron have taken on the challenge of mission readiness by conducting a series of live-action scenarios to better familiarize Airmen with high-risk situations that necessitate quick responses, teamwork and reliance on the basics to succeed. (U.S. Air Force photo/ Senior Airman Ryan Lackey)