Base conducting readiness exercise Published Feb. 12, 2014 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- Base and area residents may hear announcements over the "giant voice" system, sirens, explosions and simulated gunfire, as well as see smoke, during a readiness exercise Feb. 12-14. The intent of the exercise is to evaluate the 28th Bomb Wing's ability to meet wartime and contingency tasks of employing forces, sustaining forces and maintaining the ability to survive and operate in a deployed location. 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 Public Affairs office at (605) 385-5056.