A U.S. Marine drinks the blood of a cobra during a jungle survival exercise with the Thai Navy as part of the "Cobra Gold 2012" (CG12) joint military exercise, at a military base in Chon Buri Province February 13, 2012. About 14,000 armed forces personnel representing Thailand, U.S., Singapore, Indonesia, Japan, Malaysia and South Korea are participating in the three-week military exercise, which takes place every year in Thailand. REUTERS/Chaiwat Subprasom