Army Sgt. Joshua McKinley, assigned to the Company A, 1-111th General Aviation Support Battalion, Army National Guard, replaces the tail rotor gear box cover on a UH-60 Black Hawk while performing preventative maintenance daily (PMD) checks during the Vigilant Guard South Carolina exercise, in Georgetown, , March 8, 2015. Vigilant Guard is a series of federally funded disaster-response drills conducted by National Guard units working with federal, state and local emergency management agencies and first responders. ( Army National Guard photo by Sgt. Brian Calhoun/Released)

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Size: 1291px × 1936px
Photo credit: © Military PCF / Alamy / Afripics
License: Licensed
Model Released: No

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