442 MXS Phase Dock pioneers field-level repair of valve, saves tens of thousands of dollars
An A-10 engine bleed air shut-off valve sits disassembled on a workbench November 9, 2021, in the A-10 phase dock on Whiteman Air Force Base, Mo. Corrosion built up over years of hot, moist air caused this valve to begin sticking and not close fully. (US Air Force Photo by Master Sgt. Bob Jennings)
Master Sgt. Robert Jennings
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NIKKOR Z 24-70mm f/2.8 S
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