Insignia of the U.S. Marine Corps Marine Fighter Attack Squadron 321 (VMFA-321) "Hell's Angels", in 1998.
USN
<a rel="nofollow" class="external text" href="http://navalaviationnews.navylive.dodlive.mil/">U.S. Navy Naval Aviation News</a>/<a rel="nofollow" class="external text" href="https://www.history.navy.mil/research/histories/naval-aviation-history/naval-aviation-news/back-issues.html">(Archive)</a> <a rel="nofollow" class="external text" href="https://www.history.navy.mil/research/histories/naval-aviation-history/naval-aviation-news/back-issues/1990/1998/november-december.html">November-December 1998</a>, p. 42.