This is the logo of <a href="https://en.wikipedia.org/wiki/2nd_Infantry_Brigade_(United_Kingdom)" class="extiw" title="w:2nd Infantry Brigade (United Kingdom)">w:2nd Infantry Brigade (United Kingdom)</a>.
<a rel="nofollow" class="external text" href="https://web.archive.org/web/20140219010259/http://www.army.mod.uk/structure/28210.aspx">British Army website</a>