Coat of arms of the <a href="https://en.wikipedia.org/wiki/15th_Field_Artillery_Regiment_(United_States)" class="extiw" title="w:15th Field Artillery Regiment (United States)">15th Field Artillery Regiment (United States)</a>. Shield: Gules five closets wavy Argent, on a canton Or a bend sinister of the field. Crest: On a wreath of the colors Argent and Gules, a French 75 mm field gun the wheel charged with the shoulder sleeve insignia of the regiment (a vertical Black oblong with the White star and Indian head of the Second Division) all Proper.
US Army Institute of Heraldry
1922
<a rel="nofollow" class="external text" href="http://www.tioh.hqda.pentagon.mil/Catalog/HeraldryMulti.aspx?CategoryId=3420&amp;grp=2&amp;menu=Uniformed%20Services">US Army Institute of Heraldry</a>