U.S. Air Force F-15C/D Eagles, assigned to the 493rd Expeditionary Fighter Squadron, conduct a routine aerial mission in support of NATO Air Police operations at Keflavik Air Base, Iceland, Oct. 20, 2020. Operations and exercises like the NATO Air Police mission, uphold international rule-based order, and maintain a steadfast layer of collective defense for all allied Arctic members. (U.S. Air Force photo by Master Sgt. Matthew Plew)