Seal of the <a href="https://en.wikipedia.org/wiki/United_States_Air_Force" class="extiw" title="w:United States Air Force">United States Air Force</a>.
U.S. Government
Extracted from PDF version of the <a rel="nofollow" class="external text" href="http://www.iab.gov/Documents.aspx">IAB 2000 annual report</a> (direct PDF URL <a rel="nofollow" class="external autonumber" href="http://www.iab.gov/download/AnnualReport2000.pdf">[1]</a>).  Pulled out as part of <a href="//commons.wikimedia.org/wiki/File:US-DoD-JPOBD-Logo.svg" title="File:US-DoD-JPOBD-Logo.svg">US-DoD-JPOBD-Logo.svg</a>.