Roundel of the Argentine Air Force.
<a href="https://pl.wikipedia.org/wiki/Wikipedysta:Piom" class="extiw" title="pl:Wikipedysta:Piom">Piotr Jaworski (<b><i>Pio</i>M</b>)</a>
2005-11-24
Own work  using: <a rel="nofollow" class="external text" href="http://www.airliners.net/photo/Argentina-Air-Force/FMA-IA-58A-Pucara/1966990/L">FMA IA-58A Pucara</a>