I'm afraid I'll have to commit to get back to you with further information on that.
Certainly we do have relationships, not only with the United States but with other countries.
The band strength here right now isn't such that I'm able to respond directly to your question. We do have arrangements here in Canada, though. There is search and rescue, for example.
I don't know, Bob, if you wanted to make a couple of comments on some of the things we do and that other countries have been interested in, in the past.