Rang insignia of the <a href="https://en.wikipedia.org/wiki/Military_of_the_Czech_Republic" class="extiw" title="w:Military of the Czech Republic">Czech Republic Army</a>, here shoulder strap of the "Staff praporshchik/ (Chief master sergeant - USAF)" – Air Force (OR9, from 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>