Shoulder Sleeve Insignia of 17th Separate Tank Brigade (olive drab field dress uniform variant)
<a href="//commons.wikimedia.org/wiki/User:Rino_ap_Codkelden" title="User:Rino ap Codkelden">Rino ap Codkelden</a>
Own work based on: <a rel="nofollow" class="external text" href="https://one.kr.ua/images/16x9/%D1%88%D0%B5%D0%B2%D1%80%D0%BE%D0%BD%D1%8B.jpg">this picture</a> by Ministry of defence of Ukraine