Emblem of the <a href="https://en.wikipedia.org/wiki/3d_Space_Wing" class="extiw" title="en:3d Space Wing">3d Space Wing</a> of the <a href="//commons.wikimedia.org/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a>
Air Force Historical Research Agency
1 Jun 09
<a rel="nofollow" class="external free" href="http://www.foia.af.mil/shared/media/document/AFD-090427-031.pdf">http://www.foia.af.mil/shared/media/document/AFD-090427-031.pdf</a>