Freighter and 2 tugs.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/35492114@N07">Funky Tee</a> from Alexandria, USA
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/memnativ/3963606985/">Tugs</a>