Air Force Staff Sgt. Greg Penrod, a crew chief with the 20th Aircraft Maintenance Squadron, performs a postflight exhaust

---

Size: 1800px × 1198px
Photo credit: © 501 collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: (dod, -16, ., .., 12-2, 12-2., 14, 2012, 20th, 77th, activity, afb, air, aircraft, airforce, alaska, army, assigned, base, bureau, chief, close, combat, commander-directed, counter-air, crew, defense, dma, eielson, employment, environment., exercise, exercises, exhaust, falcon, field, fighter, fighting, flag, flag-alaska, force, forces, greg, hawaii, holzworth, inspection, interdiction, joint, june, large, maintenance, media, michael, military, navy, news, offensive, pacaf, pacific, penrod, performs, photo, postflight, providing, red, rfa-12-2, series, sgt., shaw, simulated, squadron, staff, states, support, tech., training, united, usa, weapon, wing