Senior Airmen Steven Rosales (left) and David Fisher, 28th Maintenance Squadron avionics technicians, unscrew a circuit board from a central integrated test system data acquisition unit motherboard to replace guide pin sleeves at the digital analog video avionics shop on Ellsworth Air Force Base, S.D., May 9, 2012. The unit samples, processes and distributes subsystem test data to allow the computer and navigation systems of the B-1 bomber to work properly.
<dl><dd>Unit: 28th Bomb Wing Public Affairs</dd>
<dd>DVIDS Tags: B-1 bomber; South Dakota; Ellsworth AFB; S.D.; Air Force Base; B-1B Lancer; USAF; Airman 1st Class; A1C; Katherine Thornton</dd></dl>
Airman 1st Class Kate Thornton
Taken on 9 May 2012
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