A U.S. Navy Martin P4M-1 <i>Mercator</i> (BuNo 122209) of Patrol Squadron 21 (VP-21) in flight over the Patuxent River, Maryland (USA). VP-21 flew the P4M-1 between June 1950 and February 1953.<br>122209 was later converted to a P4M-1Q. It was badly damaged by North Korean fighters off Wonsan, Korea, on 16 June 1959 and scrapped for spares.
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Commander Richard Timm, U.S. Navy</div>
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/NH-101000/NH-101801-KN.html">NH 101801-KN</a>