Book excerpt: it ensured that friction over the Taiwan Strait did not escalate into a full-blown war. In fact, the Taiwan Patrol Force did its job so well that virtually nothing has been written about it. U.S. Navy ships acted both as a buffer between the two antagonists and as a trip wire in case of aggression. The force fulfilled the latter function twice in the 1950s -- during the first (1954-55) and second (1958) Taiwan Strait crises --