Twenty sailors are killed when the British <a href="https://en.wikipedia.org/wiki/Type_42_destroyer" id="mwASU" rel="mw:WikiLink" title="Type 42 destroyer">Type 42 destroyer</a> <a about="#mwt131" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Sheffield"},"2":{"wt":"D80"},"3":{"wt":"6"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/HMS_Sheffield_(D80)" id="mwASY" rel="mw:WikiLink" title="HMS Sheffield (D80)" typeof="mw:Transclusion">HMS<span typeof="mw:Entity"> </span><i>Sheffield</i></a> is hit by an <a href="https://en.wikipedia.org/wiki/Argentina" id="mwASc" rel="mw:WikiLink" title="Argentina">Argentinian</a> <a href="https://en.wikipedia.org/wiki/Exocet" id="mwASg" rel="mw:WikiLink" title="Exocet">Exocet</a> missile during the <a href="https://en.wikipedia.org/wiki/Falklands_War" id="mwASk" rel="mw:WikiLink" title="Falklands War">Falklands War</a>.