Squadron roundel of <a href="https://en.wikipedia.org/wiki/No._89_Squadron_RAF" class="extiw" title="w:No. 89 Squadron RAF">No. 89 Squadron Royal Air Force</a>; created in Inkscape with information from <span class="url"><a rel="nofollow" class="external text" href="http://www.rafweb.org/SqnMark089-90.htm#89">Air of Authority</a></span>
<a href="//commons.wikimedia.org/wiki/User:De728631" title="User:De728631">De728631</a>
<span class="int-own-work" lang="en">Own work</span>