 that we can long-term fight a missile defense battle against people if they're paying one-tenth or one-one-hundredth for offensive weapons that we are paying for defensive weapons. And the Israelis are doing the most important work to actually give us missile defense parity. That's a very important national security objective in the United States of America, and that's something we're working with one of the most innovative economies in the world to accomplish. There's another reason, actually, motivated by my view that America can't do everything.