HURLBURT FIELD, Fla. (AP) - They don't wear green berets. Hollywood hasn't glamorized their exploits in exotic lands. Even within their own service they are a sometimes overlooked and underappreciated bunch. They are air commandos of the 6th Special Operations Squadron, possibly the least well-known Air Force special operations unit, whose main expertise - teaching the finer points of air power to less developed foreign forces - happens to fit neatly with the U.S. goal of building coalitions for the war on terror.Whether the 6th SOS would become involved if war should come to Iraq, no one here will discuss....