Arctic Challenge Exercise 21: Strengthening Nordic Relationships
U.S. Air Force F-16 Fighting Falcon aircraft and Airmen assigned to the 52nd Fighter Wing at Spangdahlem Air Base, Germany, arrive at Kallax Air Base, Sweden, May 17, 2021. The aircraft will support and participate in Arctic Challenge Exercise 21, a Norwegian air force-led exercise, scheduled to take place in June 2021 in the Nordic countries of Sweden, Finland, and Norway. (U.S. Air Force photo by Senior Airman Ali Stewart)