Airman 1st Class Jacob Parks, 436th Logistics Readiness Squadron material handling equipment maintenance apprentice, tightens a Tunner 60K aircraft cargo loader/transporter bogie assembly bolt April 1, 2014, at the MHE maintenance section on Dover Air Force Base, Del. Parks used a pneumatic wrench to tighten the six bolts that secure it to the frame of the cargo loader. (U.S. Air Force photo/Roland Balik)
Roland Balik
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