army
...that in 1990, it was revealed that a stay-behind army backed by NATO had been active in Switzerland throughout the Cold War, preparing for a possible Soviet invasion?
...that in 1990, it was revealed that a <a href="./Stay-behind" id="mwBz4" rel="mw:WikiLink" title="Stay-behind">stay-behind</a> <b id="mwBz8"><a href="./Projekt-26" id="mwB0A" rel="mw:WikiLink" title="Projekt-26">army</a></b> backed by  <a href="./NATO" id="mwB0E" rel="mw:WikiLink" title="NATO">NATO</a> had been active in <a href="./Switzerland" id="mwB0I" rel="mw:WikiLink" title="Switzerland">Switzerland</a> throughout the <a href="./Cold_War" id="mwB0M" rel="mw:WikiLink" title="Cold War">Cold War</a>, preparing for a possible <a href="./Soviet_Union" id="mwB0Q" rel="mw:WikiLink" title="Soviet Union">Soviet</a> invasion?