Air Force Chief Master Sgt. Bill Yingling, the 193rd Special Operations Wing command chief master sergeant, Pennsylvania Air National Guard, poses for a portrait Feb. 28, 2018, at the 193rd SOW in Middletown, Pennsylvania. Yingling has served 30 years with the 193rd SOW and Pennsylvania Air National Guard. ( Air National Guard photo by Staff Sgt. Tony Harp/Released)

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Size: 4072px × 2862px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 193rd, afsoc, air, bill, chief, cmsgt, command, force, guard, master, national, operations, pa, paang, pennsylvania, sgt., sow, special, wing, yingling