U.S. Air Force Staff Sgt. Christine Ebio assigned to the 18th Medical Group, Kadena Air Base, Japan, directs a Humvee for a patient transport during a Cope North 20 (CN20) mass casualty exercise at Rota, U.S. Commonwealth of the Northern Mariana Islands, Feb 20, 2020. Service members from the U.S., Royal Australian Air force, and Koku Jieitai (Japan Air Self-Defense Force) honed their Humanitarian Assistance and Disaster Relief (HADR) skills by providing emergency medical care for simulated patients. 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 Staff Sgt. Curt Beach)