Rank insignia of a South African Air Force candidate officer.  See <a rel="nofollow" class="external free" href="http://www.af.mil.za/uniform/rank_ins.html">http://www.af.mil.za/uniform/rank_ins.html</a> for reference
<a href="//commons.wikimedia.org/wiki/User:Greenshed" title="User:Greenshed">Greenshed</a>
<span class="int-own-work" lang="en">Own work</span> Eagle was taken from public domain <a href="//commons.wikimedia.org/wiki/File:Roundel_of_South_African_Air_Force.svg" class="mw-redirect" title="File:Roundel of South African Air Force.svg">Roundel of South African Air Force.svg</a> by <a href="//commons.wikimedia.org/wiki/User:F_l_a_n_k_e_r" title="User:F l a n k e r">User:F l a n k e r</a>