http://en.wikipedia.org/wiki/Jacob_C._Vouza Native of Guadalcanal, tied to a tree, tortured, stabbed, and left for dead by the Japanese when he was found with a small American flag in his loincloth. Chewed his way through the ropes and staggered several miles to the Marines to warn them of the Japanese battalion he encountered before being hospitalized. Later served as a scout for Carlson's Raiders.

Speaking of which...

http://en.m.wikipedia.org/wiki/Evans_Carlson Marine officer who went to China and lived alongside Mao Zedong and studied guerrilla warfare. Later formed and led a special Marine unit that was organized as a Maoist guerrilla unit.