roundel adopted by Royal Canadian Air Force, from 1946 to 1965.
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:PrinceOfCanada" title="User:PrinceOfCanada">PrinceOfCanada</a> (<a href="//commons.wikimedia.org/wiki/User_talk:PrinceOfCanada" title="User talk:PrinceOfCanada"><span class="signature-talk">talk</span></a>) / <a href="//commons.wikimedia.org/wiki/File:Roundel_of_the_Royal_Canadian_Air_Force_(1946-1965).svg" title="File:Roundel of the Royal Canadian Air Force (1946-1965).svg">Roundel_of_the_Royal_Canadian_Air_Force_(1946-1965).svg</a>: <a href="//commons.wikimedia.org/wiki/User:F_l_a_n_k_e_r" title="User:F l a n k e r">F l a n k e r</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Roundel_of_the_Royal_Canadian_Air_Force_(1946-1965).svg" title="File:Roundel of the Royal Canadian Air Force (1946-1965).svg">Roundel_of_the_Royal_Canadian_Air_Force_(1946-1965).svg</a></li></ul>