200227-M-YY851-1573 SATTAHIP, Thailand (Feb. 27, 2020) Hospital Corpsman 3rd Class Bradley Gannon puts on gloves during a simulated field operation for Royal Thai sailors while participating in a mass casualty evacuation drill during exercise Cobra Gold 2020 at Hat Yao Beach, Sattahip, Kingdom of Thailand, Feb. 27, 2020. Gannon, from Green Bay, Wis., is a hospital corpsman with the 31st Marine Expeditionary Unit. Exercise Cobra Gold 20, in its 39th iteration, is designed to advance regional security and ensure effective responses to regional crises by bringing together multinational forces to address shared goals and security commitments in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Hannah Hall/Released)