Thunderbirds Demonstration The Air Force Thunderbirds demonstration team flies in formation at Joint Base Langley-Eustis, Va., during the Airpower Over Hampton Roads JBLE Air and Space Expo, May 20, 2018. The four-jet diamond formation demonstrates the training and precision of Air Force pilots. SHARE: Download: Full Size (1.14 MB) Tags: Air Force Credit: Air Force Staff Sgt. Areca T. Bell VIRIN: 180520-F-IT851-0223C.JPG Photo Gallery