I'm sure this would never become a problem

U.S. Weapons, Foreign Flavor - New York Times: "At one time, the Pentagon could have obtained all it needed in the United States, but no longer. Nor does it want to. Instead, the Pentagon's latest weapons buying list has a distinctly global tinge. From the military's point of view, the United States no longer has a lock on research and technology and has no choice but to look overseas. And foreign contractors are eager to get a piece of the American military budget, which dwarfs that of any other nation."