Squadron roundel of <a href="https://en.wikipedia.org/wiki/No._80_Squadron_RAF" class="extiw" title="w:No. 80 Squadron RAF">No. 80 Squadron Royal Air Force</a> as seen <span class="url"><a rel="nofollow" class="external text" href="http://www.dhhornet50.net/index.php?f=data_home&amp;a=5">here</a></span>; created in Inkscape
<a href="//commons.wikimedia.org/wiki/User:De728631" title="User:De728631">De728631</a>
<span class="int-own-work" lang="en">Own work</span>