Emblem of the Air Force Drug Testing Laboratory
<a href="https://en.wikipedia.org/wiki/United_States_Army_Institute_of_Heraldry" class="extiw" title="en:United States Army Institute of Heraldry">en:United States Army Institute of Heraldry</a>
1986
Alcott, Edward B.; Williford, SMS Robert B. (1986). Aerospace Medical Divison: Twenty-five Years of Excellence 1961-1986. Brooks AFB, TX: History Office, Aerospace Medical Division.