What the US military wants for missile defence: multi-use sensors in the Arctic

American military officials have shed some light on what Canada could contribute to the missile-defence program should it choose to join after a decade spent on the sidelines.

Several conversations with high-ranking U.S. military officers point to a common desire: multi-purpose sensors in Canada's Arctic that would sniff out a wider range of potential threats than just intercontinental ballistic missiles.

Those state-of-the-art systems would be designed to track maritime vessels, airplanes and small cruise missiles — all in addition to any large missile fired off by North Korea or some hypothetical rogue state.

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