1989–90 British ambulance strike
... that army ambulances were deployed during the 1989–90 British ambulance strike?
... that army ambulances were deployed during the <b id="mwBu0"><a class="mw-redirect" href="./1989–90_British_ambulance_strike" id="mwBu4" rel="mw:WikiLink" title="1989–90 British ambulance strike">1989–90 British ambulance strike</a></b>?