One Must Survive — Robert Charles

When an unmarked fighter with her guns blazing came screaming out of the sun, the pilot of the peaceful airliner en route for Hanoi had no chance of avoiding the murderous fire. The airliner crashed into the trackless wastes of Burma. Amazingly, eleven people survived, and with them was a dying man who told of a fantastic plot to destroy the American bomber base on the tropical islands of Nakai. One of the eleven had to get back to civilisation to stop the holocaust...