The metallic (hard) rank used by 3rd Class (Sophomore) cadets in the <a href="https://en.wikipedia.org/wiki/Air_Force_Reserve_Officer_Training_Corps" class="extiw" title="w:Air Force Reserve Officer Training Corps"> US Air Force ROTC</a>.  It is also used in <a href="https://en.wikipedia.org/wiki/Junior_Reserve_Officers%27_Training_Corps" class="extiw" title="w:Junior Reserve Officers' Training Corps"> AFJROTC</a> to indicate Cadet 1st Lieutenant rank.
<a href="//commons.wikimedia.org/wiki/User:Csquest99" title="User:Csquest99">Csquest99</a>
2010-03-31
<span class="int-own-work" lang="en">Own work</span>, derived from insignia