Aircrews from the Mexican navy and U.S. Coast Guard Air Station Sacramento conduct a pre-flight brief at Base Aeronaval Tapachula "BASANTAP," Mexico, prior to flying a sortie in support of a North American Maritime Security Initiative exercise, March 1, 2020. NAMSI is a tri-national effort by forces of the United States, Canada, and Mexico to improve mutual capacity for operational coordination. U.S. Coast Guard photo by Chief Petty Officer Erick Wilder.