Source: <a rel="nofollow" class="external free" href="http://www.maxwell.af.mil/au/afhra/heraldry/chapter_one.html">http://www.maxwell.af.mil/au/afhra/heraldry/chapter_one.html</a><br>(please note that the URL has changed and was originally: http://www.maxwell.af.mil/au/afhra/wwwroot/heraldry/chapter_one.html)
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Sparks3213" class="extiw" title="wikipedia:User:Sparks3213">Sparks3213</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.