Congo Air force roundel
<a href="//commons.wikimedia.org/wiki/User:Kwasura" title="User:Kwasura">Kwasura</a>
2010
<a rel="nofollow" class="external text" href="http://www.airliners.net/photo/Congo---Air/North-American-T-28C/1171069/L/">Congo T-28 Trojan</a>