46th Engineer Coat of Arms
The Institute of Heraldry
<a rel="nofollow" class="external free" href="http://www.tioh.hqda.pentagon.mil/Heraldry/ArmyDUISSICOA/ArmyHeraldryUnit.aspx?u=3349">http://www.tioh.hqda.pentagon.mil/Heraldry/ArmyDUISSICOA/ArmyHeraldryUnit.aspx?u=3349</a>