Mid-Canada Line
...that the Mid-Canada Line was a line of radar sites across Canada designed to be an nuclear attack early-warning system?
...that the <b id="mwAao"><a href="./Mid-Canada_Line" id="mwAas" rel="mw:WikiLink" title="Mid-Canada Line">Mid-Canada Line</a></b> was a line of <a href="./Radar" id="mwAaw" rel="mw:WikiLink" title="Radar">radar</a> sites across <a href="./Canada" id="mwAa0" rel="mw:WikiLink" title="Canada">Canada</a> designed to be an <a class="mw-redirect" href="./Nuclear_attack" id="mwAa4" rel="mw:WikiLink" title="Nuclear attack">nuclear attack</a> early-warning system?