USS PGM-18
... that the USS PGM-18 was blown five feet (1.5 m) out of the water after striking a Japanese mine off the coast during the Battle of Okinawa?
... that the <b id="mwB40"><a href="./USS_PGM-18" id="mwB44" rel="mw:WikiLink" title="USS PGM-18">USS <i id="mwB48">PGM-18</i></a></b> was blown five feet (1.5<span id="mwB5A" typeof="mw:Entity"> </span>m) out of the water after striking a <a href="./Empire_of_Japan" id="mwB5E" rel="mw:WikiLink" title="Empire of Japan">Japanese</a> mine off the coast during the <a href="./Battle_of_Okinawa" id="mwB5I" rel="mw:WikiLink" title="Battle of Okinawa">Battle of Okinawa</a>?