Test Team Air Force Tech. Sgt. Mathew Rupert and Master Sgt. Kevin Simmons test the magnetic particle unit functionality at the Pittsburgh International Airport Air Reserve Station, Pa., Sept. 17, 2020. SHARE: Download: Full Size (0.98 MB) Tags: Air Force Credit: Joshua Seybert, Air Force VIRIN: 200917-F-UJ876-9056C.JPG Photo Gallery