Staff Sgt. David Francis, 18th Aeromedical Evacuation (AE) Squadron AE technician, secures medical equipment for a flight during exercise COPE NORTH 2018, at Andersen Air Force Base, Guam, Feb. 19. COPE NORTH enhances U.S. relations with regional allies and partners by demonstrating resolve to promote security and stability throughout the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class Juan Torres Chardon)