Active shooter exercise scheduled July 9 Published July 9, 2015 28th Bomb Wing Inspector General Inspection Office ELLSWORTH AIR FORCE BASE, S.D. -- The base will conduct an active shooter exercise during the day July 9. Base and area residents should anticipate simulated gunfire, sirens and response vehicles. All personnel are expected to take the appropriate actions in their work centers. The intent of the exercise is to evaluate the 28th Bomb Wing's ability to react, respond to and mitigate an active shooter incident should it occur on base. Entering and exiting the base should not be an issue during the exercise, but everyone is encouraged to call in advance to ensure appointments and services are not impacted. For more information, contact the 28th BW Inspector General Inspections office at (605) 385-6385. 28 BW/PA will post the information at 6 a.m.