Pfc. Steven Stapley from B Company, 1st General Support Aviation Battalion, 214th Aviation Regiment conducts 400 hours phase maintenance on an CH-47 Chinook helicopter at Katterbach Army Airfield, Germany, April 5, 2018. Phase maintenance inspections occur at regular intervals on all aircraft in order to keep them operational.

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Photo credit: © Archisto Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 12, 7atc, air, america, armed, army, cab, ch-47, chinook, defence, employee, europe, federal, force, forces, government, military, navy, service, serviceman, servicemen, states, strong, united, usa