603d Air Control Squadron emblem
<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>
2016-11-07
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20130227064237/http://www.aviano.af.mil/library/factsheets/factsheet.asp?id=4351">https://web.archive.org/web/20130227064237/http://www.aviano.af.mil/library/factsheets/factsheet.asp?id=4351</a>