Thumbs Up Air Force Maj. Aaron Eshkenski gives the crew chief a thumbs up before participating in an event at Nellis Air Force Base, Nev., Oct. 21, 2021. SHARE: Download: Full Size (2.6 MB) Tags: Air Force Credit: Michael J. Hasenauer, Air Force VIRIN: 211021-F-AQ084-359.JPG Photo Gallery