The North American Aerospace Defense Command provides aerospace warning, aerospace control and maritime warning for North America.

All activities and entertainment will be free to the public — on the ground, there will be performances by the 22 Wing Band ...

All activities and entertainment will be free to the public — on the ground, there will be performances by the 22 Wing Band ...

Cross-border tensions or not, there's growing talk in Washington that Canada and the U.S. could expand their military co-operation in a continental missile shield.