139th Aeromedical Evacuation Flight emblem (later 139th Aeromedical Evacuation Squadron)
<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>
2017-03-06
<a rel="nofollow" class="external free" href="https://dmna.ny.gov/historic/heraldry/ang/139thAEF.htm">https://dmna.ny.gov/historic/heraldry/ang/139thAEF.htm</a>