Pre-flight inspection
Airman Matthew Dazen, a crew chief with the 445th Aircraft Maintenance Squadron, prepares to perform a pre-flight inspection on a C-17 Globemaster III. Once completed, the pre-flight inspection is valid for only 72 hours. If the mission does not depart within that timeframe, a new pre-flight inspection will be completed.

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Photo by: 1st Lt. Rachel Ingram |  VIRIN: 200802-F-QO275-018.JPG