A U.S. Navy Lockheed P2V-6M <i>Neptune</i> (BuNo 131553) assigned to the Naval Air Ordnance Test Station Chincoteague, Virginia (USA), in flight with two AUM-N-2 <i>Petrel</i> missiles.
USN
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah195701.pdf">January 1957</a>, p. 9.