Leighton Battery
... that after a 20-year search, a gun barrel from the HMAS Sydney and a gun shield from the HMAS Adelaide, discovered on a rubbish tip, were fitted together and put on display at Leighton Battery?
... that after a 20-year search, a gun barrel from the <a about="#mwt18" data-mw='{"parts":[{"template":{"target":{"wt":"HMAS","href":"./Template:HMAS"},"params":{"1":{"wt":"Sydney"},"2":{"wt":"1912"},"3":{"wt":"6"}},"i":0}}]}' href="./HMAS_Sydney_(1912)" id="mwHQ" rel="mw:WikiLink" title="HMAS Sydney (1912)" typeof="mw:Transclusion">HMAS<span typeof="mw:Entity"> </span><i>Sydney</i></a> and a gun shield from the <a about="#mwt19" data-mw='{"parts":[{"template":{"target":{"wt":"HMAS","href":"./Template:HMAS"},"params":{"1":{"wt":"Adelaide"},"2":{"wt":"1918"},"3":{"wt":"6"}},"i":0}}]}' href="./HMAS_Adelaide_(1918)" id="mwHg" rel="mw:WikiLink" title="HMAS Adelaide (1918)" typeof="mw:Transclusion">HMAS<span typeof="mw:Entity"> </span><i>Adelaide</i></a>, discovered on a rubbish tip, were fitted together and put on display at <b id="mwHw"><a href="./Leighton_Battery" id="mwIA" rel="mw:WikiLink" title="Leighton Battery">Leighton Battery</a></b>?