A U.S. Navy Lockheed P-2E <i>Neptune</i> (BuNo 131449) of Patrol Squadron 7 (VP-7) in flight over Iceland, circa 1965.
U.S. Department of Defense
<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/ah196507.pdf">July 1965</a>, p. 16.