PNG version of official logo of the Seabees, adapted from <a rel="nofollow" class="external free" href="https://www.seabee.navy.mil/">https://www.seabee.navy.mil/</a>.  A slight variant of this image exists at <a rel="nofollow" class="external autonumber" href="http://www.safetycenter.navy.mil/toolbox/seabees/default.htm">[1]</a>.
US gov
US gov