U-515
...that U-515 sank seven Allied ships in a 12-hour period during her third patrol of the war?
...that <b id="mwD4s"><a class="mw-redirect" href="./Unterseeboot_515" id="mwD4w" rel="mw:WikiLink" title="Unterseeboot 515">U-515</a></b> sank seven <a href="./Allies_of_World_War_II" id="mwD40" rel="mw:WikiLink" title="Allies of World War II">Allied ships</a> in a 12-hour period during her <a class="mw-redirect" href="./Battle_of_the_Atlantic_(1939-1945)" id="mwD44" rel="mw:WikiLink" title="Battle of the Atlantic (1939-1945)">third patrol of the war</a>?