Night Shift: 171st Air Refueling Wing Maintainers
Pennsylvania Air National Guard Maintainers on second shift at the 171st Air Refueling Wing in Coraopolis, Pa., work on a KC-135 Stratotanker through the night, May 20, 2020. (U.S. Air National Guard photo by Senior Master Sgt. Shawn Monk)

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Photo by: Senior Master Sgt. Shawn Monk |  VIRIN: 200520-Z-NQ177-9087.JPG