Seal of the United States <a href="https://en.wikipedia.org/wiki/National_Counterterrorism_Center" class="extiw" title="w:National Counterterrorism Center">National Counterterrorism Center</a>.
U.S. federal government
Extracted from PDF version of a <a rel="nofollow" class="external text" href="http://www.nctc.gov/press_room/press_releases/02_may_2006.html">NCTC strategy document</a> (direct PDF URL <a rel="nofollow" class="external autonumber" href="http://www.nctc.gov/docs/u_terrorist_travel_book_may2_2006.pdf">[1]</a>).  Some internal bitmaps were replaced with gradients from <a href="//commons.wikimedia.org/wiki/File:Great_Seal_of_the_United_States_(obverse).svg" title="File:Great Seal of the United States (obverse).svg">Great Seal of the United States (obverse).svg</a>.