Master Sgt. John Hall, the security forces exercise flight sergeant, assigned to the 910th Security Forces Squadron, acts as an opposing force member during a combat exercise on Oct. 29, 2020, at Alpena Combat Readiness Training Center, Michigan. Reserve Citizen Airmen from Youngstown Air Reserve Station traveled to Alpena CRTC to conduct combat training, measuring the wing’s overall readiness. (U.S. Air Force photo/Senior Airman Christina Russo)