F-15C Eagles assigned to the 493rd Fighter Squadron await clearance for take off in support of exercise Crimson Warrior at Royal Air Force Lakenheath, England, Nov. 4, 2020. Multi-domain integration exercises like Crimson Warrior strengthen NATO interoperability and test high-end capabilities in a contested, degraded, and operationally limited environment. (U.S. Air Force photo by Airman 1st Class Jessi Monte)