Rang insignia of the Army of the Czech Republic (rank group: NCOs), here shoulder strap of the "Rotny/ (Senior airman - USAF)" – Air Force (OR-4, since 2011).
<a href="//commons.wikimedia.org/w/index.php?title=User:Cyberpunx242&amp;action=edit&amp;redlink=1" class="new" title="User:Cyberpunx242 (page does not exist)">Cyberpunx242</a>; translation cz, de, en, ru: by <a href="//commons.wikimedia.org/wiki/User:HHubi" title="User:HHubi">User:HHubi</a>
<span class="int-own-work" lang="en">Own work</span>