Shoulder sleeve insignia of the 18th Military Police Brigade of the United States Army
<p><a href="https://en.wikipedia.org/wiki/en:United_States_Army_Institute_of_Heraldry" class="extiw" title="w:en:United States Army Institute of Heraldry"><span title="army organization responsible for furnishing heraldic services to President of the United States and all federal government agencies">The Institute of Heraldry</span></a>
</p>
Vector by <a href="//commons.wikimedia.org/wiki/User:VileGecko" title="User:VileGecko">VileGecko</a>
1966-06-01
<span class="int-own-work" lang="en">Own work</span>