A U.S. Navy Lockheed EC-130Q  <i>Hercules</i> (BuNo 156175) from Fleet Air Reconnaissance Squadron 4 (VQ-4) "Shadows" in flight, circa in 1973.
USN
circa 1973 <div style="display: none;">date QS:P,+1973-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="http://navalaviationnews.navylive.dodlive.mil/">U.S. Navy Naval Aviation News</a>/<a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/research/histories/naval-aviation-history/naval-aviation-news/back-issues.html">[1]</a> <a rel="nofollow" class="external text" href="http://www.history.navy.mil/content/dam/nhhc/research/histories/naval-aviation/Naval%20Aviation%20News/1970/pdf/apr73.pdf">April 1974</a>, p. 41.