Airmen assigned to the 100th Air Refueling Wing work together to complete their pre-flight checklist in preparation for interoperability training with the Royal Netherland air force at RAF Mildenhall, England, June 26, 2020. Interoperability training remains a symbol of the shared commitment between the Netherlands, the U.S. and NATO to maintaining the continued security of Europe. (U.S. Air Force photo by Senior Airman Benjamin Cooper)