Patch of the <a href="https://en.wikipedia.org/wiki/817th_Expeditionary_Airlift_Squadron" class="extiw" title="en:817th Expeditionary Airlift Squadron">817th Troop Carrier Squadron</a>.
United States Air Force
1960s <div style="display: none;">date QS:P,+1960-00-00T00:00:00Z/8</div>
Scan of USAF patch