Emblem of the <a href="https://en.wikipedia.org/wiki/7th_Air_Refueling_Squadron" class="extiw" title="en:7th Air Refueling Squadron">7th Air Refueling Squadron</a> (SAC).
United States Air Force
1960s <div style="display: none;">date QS:P,+1960-00-00T00:00:00Z/8</div>
Scan of USAF patch