PACIFIC OCEAN (Oct. 29, 2020) Hospital Corpsman 3rd Class Ezzerbenedict Brandes, left, with Combat Logistics Battalion 15, 15th Marine Expeditionary Unit, simulates performing a needle decompression of a right-sided pneumothorax on a notional patient during Valkyrie emergency fresh whole blood transfusion training aboard the amphibious transport dock ship USS Somerset (LPD 25). The Makin Island Amphibious Ready Group and the 15th MEU are currently conducting at-sea training events in the U.S. 3rd Fleet area of operations. (U.S. Marine Corps photo by Lance Cpl. Brendan Mullin)