Base conducting exercise March 22-26 Published March 22, 2021 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- The base will conduct an active shooter exercise the week of March 22-26. This exercise is intended to evaluate the ability of the 28th Bomb Wing to respond to an active shooter situation on the installation.During the exercise, residents on or near the installation may hear announcements over the “giant voice” system and sirens, and see response vehicles. All assigned personnel, dependents and visitors are required to take appropriate actions.Motorists may experience delays entering and exiting the installation during the exercise. Please plan to arrive early for appointments and 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 or via email at28bw.public.affairs@us.af.mil.