Chock Check Air Force Airman 1st Class Elijah Turner fixes a tire chock during a walk around inspection of a C-17 Globemaster III at the Pittsburgh International Airport Air Reserve Station, Pa., Aug. 24, 2020. Walk around inspections are performed to ensure aircraft readiness. SHARE: Download: Full Size (1.25 MB) Tags: Air Force Credit: Joshua Seybert, Air Force VIRIN: 200824-F-UJ876-1120.JPG Photo Gallery