Addresses must be kept current Published July 26, 2013 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- All active-duty, guard and reserve personnel are required to update their residential address in the Defense Enrollment and Eligibility Reporting System within 30 days of a residential move. For more information, call the 28th Force Support Squadron Military Personnel Element customer service section at (605) 385-2427.