The Office of Strategic Services (OSS) left a legacy of daring and innovation that has influenced American military and intelligence thinking since World War II. OSS owed its successes to many factors, but most of all to the foresight and drive of William J. Donovan, who built and held together the office's divergent missions and personalities.
The assassination of al-Qaeda leader Osama bin Laden did more than knock off U.S. Public Enemy Number One. It formalized a new kind of warfare, where sovereignty is irrelevant, armies tangential, and decisions are secret. It is, in the words of counterinsurgency expert John Nagl, “an astounding change in the nature of warfare.”