Patch of the Experimentation and Trials Group part of the British Army.
<a href="//commons.wikimedia.org/wiki/User:Coldstreamer20" title="User:Coldstreamer20">Coldstreamer20</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span> – re-creation of a patch on the British Army Website: <a rel="nofollow" class="external text" href="https://www.army.mod.uk/our-future/experimentation/experimentation-and-trials-group/">Experimentation and Trials Group</a>