Emblem of the USAAF 436th Bombardment Squadron (World War II)
<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>
1940
USAF Historical Research Agency via Mauer, Mauer, Combat Squadrons of the Air Force, World War II, 1969