Logo of the <a href="https://en.wikipedia.org/wiki/United_States_Border_Patrol" class="extiw" title="w:United States Border Patrol">United States Border Patrol</a> (USBP). It is also used as an embroidered patch on USBP uniforms, worn on the left sleeve.
<a href="https://en.wikipedia.org/wiki/United_States_Department_of_Homeland_Security" class="extiw" title="w:United States Department of Homeland Security">United States Department of Homeland Security</a>
circa 2000 <div style="display: none;">date QS:P,+2000-00-00T00:00:00Z/9,P1480,Q5727902</div>
Extracted from PDF version of a USBP recruiting brochure ("A Career with Borders But No Boundaries") (direct PDF URL <a rel="nofollow" class="external autonumber" href="http://www.cbp.gov/linkhandler/cgov/border_security/border_patrol/recruiting_hiring/nascar/bp_recruit_brochure.ctt/bp_recruit_brochure.pdf">[1]</a>).  A similar version is in <a rel="nofollow" class="external text" href="http://www.cbp.gov/linkhandler/cgov/newsroom/fact_sheets/border/border_patrol/bp_checkpoints.ctt/bp_checkpoints.pdf">this PDF</a>.