93d Bombardment Squadron emblem.  Approved 24 April 1942.
<a href="https://en.wikipedia.org/wiki/United_States_Army_Institute_of_Heraldry" class="extiw" title="en:United States Army Institute of Heraldry">en:United States Army Institute of Heraldry</a>
1942-04-24
<a rel="nofollow" class="external free" href="http://www.afhra.af.mil/About-Us/Fact-Sheets/Display/Article/434021/93-bomb-squadron-afrc/">http://www.afhra.af.mil/About-Us/Fact-Sheets/Display/Article/434021/93-bomb-squadron-afrc/</a> and Hubbard, Gerard (June 1943). "Aircraft Insignia, Spirit of Youth". Vol. LXXXIII (No. 6) National Geographic, pp. 710-722 modified with Microsoft Paint