680th Bombardment Squadron emblem
<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>
2020-02-27
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20170202074916/http://www.geocities.ws/Pentagon/Quarters/3109/l">https://web.archive.org/web/20170202074916/http://www.geocities.ws/Pentagon/Quarters/3109/l</a> edited with Microsoft Paint