U.S. Marines with 4th Air Naval Gunfire Liaison Company, Force Headquarters Group, Marine Forces Reserve, and U.S. Air Force Senior Airman Demarcus Harrison, a joint terminal attack controller with 2nd Air Support Operations Squadron, discuss forward observer procedures, close-air support cadence, and observer line-ups during exercise African Lion 2019 at the Aoreora range near Tan Tan, Morocco, March 27, 2019. African Lion is an annual, multinational, joint-force exercise designed to improve interoperability and mutual understanding of each nation’s tactics, techniques and procedures while demonstrating a strong partnership between nation’s militaries. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)