A US Marine drinks the blood of a cobra during a jungle survival exercise with the Thai Navy as part of the "Cobra Gold 2013" joint military exercise, at a military base in Chon Buri province, Thailand, Feb 20, 2013. [Photo/Agencies]
A US Marine has a tail of dead cobra in his mouth during a jungle survival exercise with the Thai Navy as part of the "Cobra Gold 2013" joint military exercise, at a military base in Chon Buri province, Thailand, Feb 20, 2013. [Photo/Agencies]