In previous exercise video below show U.S Marines drinking cobra blood.
The war games, typically involving days of gruelling and sometimes gruesome drills in the Thai jungle.
They are the largest US-led military exercises in Asia.
The drills, which have been hosted by the US and Thailand since 1980, have previously involved an array of arduous activities, including a jungle survival challenge requiring US marines to drink snake blood.
US embassy spokeswoman Melissa Sweeney told AFP this year’s drills will focus on humanitarian assistance and disaster relief.
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