KSBK
... that KSBK, which has been described as the most influential radio station in Okinawa in the 1960s, became a casualty of the reversion of the Ryukyu Islands to Japan and closed in October 1973?
... that <b id="mwBWE"><a href="./KSBK_(AM)" id="mwBWI" rel="mw:WikiLink" title="KSBK (AM)">KSBK</a></b>, which has been described as the most influential radio station in <a href="./Okinawa_Prefecture" id="mwBWM" rel="mw:WikiLink" title="Okinawa Prefecture">Okinawa</a> in the 1960s, became a casualty of the <a href="./1971_Okinawa_Reversion_Agreement" id="mwBWQ" rel="mw:WikiLink" title="1971 Okinawa Reversion Agreement">reversion of the Ryukyu Islands to Japan</a> and closed in October<span id="mwBWU" typeof="mw:Entity"> </span>1973?