Insignia of the U.S. Navy Anti-Submarine Squadron 33 (VS-33) "Screwbirds", circa in 1967.
U.S. Navy
circa 1967 <div style="display: none;">date QS:P,+1967-00-00T00:00:00Z/9,P1480,Q5727902</div>
U.S. Navy photo <a rel="nofollow" class="external autonumber" href="http://www.navysite.de/cruisebooks/cv20-67/169.htm">[1]</a> from the <a rel="nofollow" class="external text" href="http://www.navysite.de/cruisebooks/cv20-67/index_018.htm">USS <i>Bennington</i> (CVS-20) 1966-1967 cruise book</a> available at <a rel="nofollow" class="external text" href="http://navysite.de/cruisebooks/index.html">Navysite.de</a>