Insignia of the U.S. Navy Air Development Squadron 1 (VX-1).
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Unknown author<span style="display: none;">Unknown author</span></div>
U.S. Navy photo <a rel="nofollow" class="external text" href="https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-101000/NH-101852-KN.html">NH 101852-KN</a>