<a href="https://en.wikipedia.org/wiki/Distinctive_Unit_Insignia" class="extiw" title="en:Distinctive Unit Insignia">Distinctive Unit Insignia</a> of the <a href="https://en.wikipedia.org/wiki/IX_Corps_(United_States)" class="extiw" title="en:IX Corps (United States)">IX Corps</a>
<a href="https://en.wikipedia.org/wiki/The_Institute_of_Heraldry" class="extiw" title="en:The Institute of Heraldry">The Institute of Heraldry</a>
2009
<a rel="nofollow" class="external free" href="http://www.tioh.hqda.pentagon.mil/Corps/IXCorps.htm">http://www.tioh.hqda.pentagon.mil/Corps/IXCorps.htm</a>