National Geographic : 1945 Oct
(Jo Frederick L.Hamilton from Three Lions Japan Enlisted These Korean "Volunteers," but Knew Better Than to Trust Them. TheirSmiles Don't Mean What They Say In the Pacific, Korean labor battalions surrendered readily to Americans. In China, Koreans fought in the open. At home, their close resemblance toJapanese made them effective spies and saboteurs. When Tokyo talked of "100 million Japanese," it included 24 million Koreans, but itsarmy was slow indrafting them.