Airman 1st Class Brian Allen, 37th Aircraft Maintenance Unit crew chief, looks through his tools to perform preventative maintenance on a B1-B Lancer Sept. 22, 2015 at Al Udeid Air Base, Qatar. Allen is deployed from Ellsworth Air Force Base, S.D. (U.S. Air Force photo/Staff Sgt. Alexandre Montes)
<br>Unit: 379th Air Expeditionary Wing
Staff Sgt. Alex Montes
Taken on 22 September 2015
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