201211-M-JX780-1026 SOUTH CHINA SEA (Dec. 11, 2020) � A U.S. Marine Corps AH-1Z Viper assigned to Marine Medium Tiltrotor Squadron 164 (Reinforced), 15th SOUTH CHINA SEA (Dec. 11, 2020) Marine Expeditionary Unit, flies above the amphibious transport dock ship USS Somerset (LPD 25) during Cooperation Afloat Readiness and Training (CARAT) Singapore. This year marks the 26th iteration of CARAT, a multinational exercise designed to enhance U.S. and partner navies' abilities to operate together in response to traditional and non-traditional maritime security challenges in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Brendan Mullin)