Shoulder sleeve insignia of the 704th Separate CBRN Defence Regiment of Army of Ukraine
<a href="//commons.wikimedia.org/wiki/User:VileGecko" title="User:VileGecko">VileGecko</a>, based on the <a rel="nofollow" class="external text" href="https://www.ukrmilitary.com/2021/12/704-regiment.html">article</a>
<span class="int-own-work" lang="en">Own work</span>