4950th Test Group - 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>
1950s <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/8</div>
scan of USAF Patch