Flight engineer conducts pre-flight checks on a C-130
Master Sgt. Ronald Bacon, 339th Flight Test Squadron C-130 Hercules flight engineer, conducts pre-flight checks on a C-130, April 2, 2020, at Robins Air Force Base, Ga. Reserve Airmen of the 413th Flight Test Group and 339th FLTS have continued to fly and support the programmed depot maintenance mission, despite the current COVID-19 epidemic. (U.S. Air Force photo by Jamal D. Sutter)

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Photo by: Jamal D. Sutter |  VIRIN: 200402-F-PO994-9017.JPG