Education Center now open Published Dec. 4, 2012 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- The base Education Center, located in Suite 2800 of the Rushmore Center, is now open Monday through Friday from 8 a.m. to 4 p.m. For more information, or for educational assistance, contact the Education Center via phone at (605) 385-2312 or by e-mail at 28edcenter@ellsworth.af.mil.