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In page Special Activities Center:

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According to a book by retired CIA officer John Kenneth Knaus, entitled Orphans Of The Cold War: America And The Tibetan Struggle For Survival, Gyalo Thondup, the older brother of the 14th (and current) Dalai Lama, sent the CIA five Tibetan recruits. These recruits were trained in paramilitary tactics on the island of Saipan in the Northern Marianas.[4] Shortly thereafter, the five men were covertly returned to Tibet "to assess and organize the resistance" and selected another 300 Tibetans for training. U.S. assistance to the Tibetan resistance ceased after the 1972 Nixon visit to China, after which the United States and China normalized relations.[5]