In fact, it is department of Federal Security Service of Russia
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/48935799@N05">Konstantin Malanchev</a> from Moscow, Russia
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/hombit/8853978362/">Research Institute "Priboy"</a>