File this one under "the bigotry of low expectations":
The U.S. Northern Command said in a statement that all seven missiles were detected and tracked “immediately” after launch Tuesday and Wednesday.
“While Ground-based Midcourse Defense System interceptors at Fort Greely, Alaska, and Vandenberg Air Force Base, Calif., were operational during the flight, top officials from the command were able to determine quickly that the launch posed no threat to the United States or its territories,” the statement said.
Which means that, if Canada signs on to the U.S. missile defense system, we'll still get clobbered -- we'll just know it's coming. I'm guessing there would be a phone call: "Hey, guys ... um ... about that missile defense system ... well, funny story ..."