With respect to air forces, there are very few air forces that have all the capabilities you would need to prosecute very complex scenarios. That's why we're so embedded with our closest allies, the Five Eyes, which I know you're familiar with.
For Canada—and this has been since the beginning of NORAD—being interoperable with the U.S. Air Force is number one. We continue to operate with the United Kingdom and with France, but if I were to invest anything, it would be with the U.S.