As tensions with China build and the US military sends more troops to the Asia-Pacific region, soldiers with the skills to fight and survive in the jungle are increasingly vital. The US Army trains soldiers for jungle warfare at the 25th Infantry Division's Lightning Academy on the island of Oahu in Hawaii. Insider's chief video correspondent Graham Flanagan spent 12 days inside the Army's Jungle Operations Training Course, where a cross section of soldiers of various ranks and experience levels learn to fight, move, and survive in the jungle. Eighty students begin the course on day one, but only 51 will make it to graduation. The rest are dropped from the course by failing one of five critical tests.
