Marines drink cobra blood during Cobra Gold 17 at Camp Ban Chan Krem, Thailand, Feb. 17, 2017. The multinational exercise focuses on humanitarian civic action, community engagement and medical training. The Marines are assigned to Battalion Landing Team, 2nd Battalion, 5th Marine Regiment, 31st Marine Expeditionary Unit, 3rd Marine Expeditionary Force. Troops can use cobra blood and flesh as nutrition where sustenance is scarce. Marine Corps photo by Cpl. Steven Tran