DEERS updates Published March 7, 2012 By 28th Force Support Squadron ELLSWORTH AIR FORCE BASE, S.D. -- The Military Personnel Flight can do Defense Enrollment Eligibility Reporting System updates and issue identification cards from 7:30 a.m. to 4 p.m. on Mondays, Wednesdays and Fridays, and from 7:30 a.m. to 3 p.m. on Tuesdays. For more information, call 385-2434.