Insignia of the U.S. Navy Air Anti-Submarine Squadron 21 (VS-21) "Red Tails". VS-21 Lineage: Established as CVEG-41 on 26 March 1945, redesignated CVEG-1 on 15 November 1946, redesignated VC-21 on 1 September 1948, redesignated VS-21 on 23 April 1950. Insignia approved: 18 March 1955
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U.S. Navy photo <a rel="nofollow" class="external text" href="https://www.history.navy.mil/research/histories/naval-aviation-history/insignias/navy-squadron-insignia/vs-insignia/vs-21.html">vs-21</a>