In Formation The 494th Fighter Squadron “Panthers” fly F-15E Strike Eagle fighters in formation with Arctic allies and partners during the Arctic Challenge Exercise 2023 at Pirkkala Air Base, Finland, June 1, 2023. SHARE: Download: Full Size (3.7 MB) Tags: European Command, NATO, Air Force, Ukraine Response, arctic challenge Credit: Courtesy photo VIRIN: 230601-F-F3253-0005.JPG Photo Gallery