Frontiers in Flight
Brian Correll flies a Pitts S2S inverted during the Frontier in Flight Air Show Sept. 9, 2018, at McConnell Air Force Base, Kansas. Correll is a major with the 931st Air Refueling Wing, where he pilots the KC-135 Stratotanker. (U.S. Air Force photo by Staff Sgt. Chris Thornbury)

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Photo by: Staff Sgt. Chris Thornbury |  VIRIN: 180909-F-XK483-0011.JPG