A Thai Navy instructor demonstrates to US Marines how to catch a cobra during a jungle survival exercise as part of the "Cobra Gold 2013" joint military exercise, at a military base in Chon Buri province on February 20. About 13,000 soldiers from seven countries, Thailand, US, Singapore, Indonesia, Japan, South Korea and Malaysia are participating in the 11-day military exercise.  Reutrs/Damir Sagol