Tech. Sgt. Daniel McCrillis, 350th Air Refueling Squadron operations superintendent and boom operator, performs a preflight check Dec. 14, 2017, at McConnell Air Force Base, Kansas. The preflight check ensured that the crew and passengers were able to safely complete their mission while airborne. ( Air Force photo by Airman 1st Class Alan Ricker)

---

Size: 5192px × 3466px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 22arw