19th Air Commando 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>
Edited versio9n of photo of patch at <a rel="nofollow" class="external free" href="https://picclick.com/Vietnam-War-Patch-US-Air-Force-19th-Air-232157132195.html#&amp;gid=1&amp;pid=1">https://picclick.com/Vietnam-War-Patch-US-Air-Force-19th-Air-232157132195.html#&amp;gid=1&amp;pid=1</a>