Operation Maharat II
... that during Operation Maharat II, a sonic boom scared the Pathet Lao into retreat?
... that during <b id="mwAbY"><a href="./Operation_Maharat_II" id="mwAbc" rel="mw:WikiLink" title="Operation Maharat II">Operation Maharat II</a></b>, a <a href="./Sonic_boom" id="mwAbg" rel="mw:WikiLink" title="Sonic boom">sonic boom</a> scared the <a href="./Pathet_Lao" id="mwAbk" rel="mw:WikiLink" title="Pathet Lao">Pathet Lao</a> into retreat?