<p>A U.S. Navy Martin P4M-1 <i>Mercator</i> (BuNo 122208) of Patrol Squadron 21 (VP-21) "Black Jacks" in flight in 1950. VP-21 flew the P4M-1 between June 1950 and February 1953.<br></p>
122208 was later converted to a P4M-1Q. It was withdrawn in November 1956 and scrapped at Naval Air Station Norfolk.
USN
Official U.S. Navy photo <a rel="nofollow" class="external text" href="http://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/80-G-421000/80-G-421733.html">80-G-421733</a> from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>