200226-M-IP473-1168 HAT YAO BEACH, Thailand (Feb. 26, 2020) Lt. Cmdr. Ryan Snow, an emergency medicine physician with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit (MEU), explains the uses of an ultrasound to Royal Thai navy medical personnel during a medical rehearsal for exercise Cobra Gold 2020 at Hat Yao Beach, Kingdom of Thailand, Feb. 26, 2020. Exercise Cobra Gold 20 is the largest theater security cooperation exercise in the Indo-Pacific region and is an integral part of the U.S. commitment to strengthen engagement in the region. (U.S. Marine Corps photo by Sgt. Audrey M. C. Rampton/Released)