Estonian military Aircraft Insignia Type 1. Used on the Port Side.
<a href="//commons.wikimedia.org/wiki/User:Kwasura" title="User:Kwasura">Kwasura</a>
2013-12-30
<span class="int-own-work" lang="en">Own work</span> <a href="https://en.wikipedia.org/wiki/File:ESTFtr2.jpg" class="extiw" title="en:File:ESTFtr2.jpg">based on</a>