U.S. Navy Lockheed SP-2H <i>Neptunes</i> of Patrol Squadron VP-31. VP-31 Detachmet North Island provided crew training for P-2 crews at Naval Air Station North Island, California (USA) until 1970.
U.S. Navy
<a rel="nofollow" class="external text" href="http://collections.naval.aviation.museum/emuwebdoncoms/pages/doncoms/AdvQuery.php">U.S. Navy National Museum of Naval Aviation</a> photo No. <a rel="nofollow" class="external text" href="http://collections.naval.aviation.museum/emuwebdoncoms/pages/doncoms/Display.php?irn=39723&amp;QueryPage=%2Femuwebdoncoms%2Fpages%2Fdoncoms%2FAdvQuery.php">2011.089.048</a>