Pennsylvania Air National Guardsmen, from left, Staff Sgt. Bryan Hoover, Staff Sgt. Sarah Demaio, Tech. Sgt. Jacob Linsenbigler, and Tech. Sgt. Kayla Stapf wish a Merry Christmas and happy holidays on behalf of the 171st Air Refueling Wing in Pittsburgh, Dec. 18, 2019. (U.S. Air National Guard video by Staff Sgt. Bryan Hoover) More