Radio technicians repair speaker
ELLSWORTH AIR FORCE BASE, S.D. -- Airman 1st Class Austin Bass, 28th Communications Squadron ground radio technician, unscrews the cover of a speaker system, Nov. 6. Airman Bass is working on repairing a speaker driver on a speaker used for playing taps, reveille, retreat and warnings. (U.S. Air Force photo/Airman 1st Class Matthew Flynn)