Not so far for me, only a 7 mile dead end road and now all paved. Range is in the back due to the bermed area from the old rock pit.
I don't have to worry about anyone "putting the "Sneak" on my location as the only way to get here is my Boat or Plane, and the WebCam on the South Tower oversees the Inlets entrance, with Target Movement Alarm Software that alarms on my computer, when it detects a change in the Pixels of the WebCam. Dring the summers I have to shut off that feature, because the Cruise Ships, that transit the Inlet mouth, ALWAYS set off the Alarm. Bloody Cattle Cars....
Getting back to the "will we protect Canada" question, the answer is yes. Prevailing winds and all, a nuke detonation any where to the north west, is not in the best interest of the U.S. Now if winds and potential fallout were not an issue....
I would imagine a NORK ICBM would be a manned kamakazie flight. The would need a guy in the capsule to press the button