Air Force Tech. Sgt. Sean Weygandt, 391st Aircraft Maintenance Unit crew chief, pulls hydraulic and oil servicing carts across the flightline at Tyndall Air Force Base, Fla., Dec. 16, 2016. During exercise Checkered Flag 17-1, maintenance personnel from several units and different airframes integrated their skills and efforts to make the mission happen.

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Photo credit: © Conner Flecks / Alamy / Afripics
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Keywords: 391st, afb, archive, armed, checkeredflag17-1, defence, forces, military, reportage, servicemen, tyndall, usa