76,Correct,in Sept.`69 I flew XM666 on it`s SS11 missile Clearance and Firing Trials at B-Down and West Freugh,before Endurance went South to the Falklands,as someone had `foreseen` there were `Argentinian rumblings of discontent` in the area...It later either ditched or f/landed and could be seen in someones backyard on W Falkland when I was there in 92 on C-130s...might still be visible on GE....