Beale conducts active shooter exercise Published Feb. 7, 2014 By Staff Sgt. Robert M. Trujillo 9th Reconnaissance Wing Public Affairs BEALE AIR FORCE BASE, Calif. -- Beale Air Force Base conducted an active shooter exercise, Feb. 5., with more than 20 base and local agencies participating. The exercise took place at the DCGS and involved hostages, simulated casualties, and tactical maneuvers. The goal was to prepare Team Beale to respond to this kind of crisis.