German Wehrmacht, <b>Luftwaffe</b>, rank insignia until 1945 – <b>shoulder strap</b>: <br><ul><li>Rank <b>Hauptmann</b> (captain, comparable to NATO OF-2).</li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:Luigi_Chiesa" title="User:Luigi Chiesa">Luigi Chiesa</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Luigi_Chiesa" title="User talk:Luigi Chiesa"><span class="signature-talk">talk</span></a>)
<a href="//commons.wikimedia.org/wiki/File:WMacht_Lw_OF5-1_Offiziere_1935-1945.jpg" title="File:WMacht Lw OF5-1 Offiziere 1935-1945.jpg">File:WMacht Lw OF5-1 Offiziere 1935-1945.jpg</a>