a 1993 reform
... that until a 1993 reform, separate gallantry medals were awarded to officers and other ranks in the British armed forces?
... that until <b id="mwCBs"><a href="./1993_reviews_of_the_British_honours_system" id="mwCBw" rel="mw:WikiLink" title="1993 reviews of the British honours system">a 1993 reform</a></b>, separate gallantry medals were awarded to officers and other ranks in the British armed forces?