These assisting devices launch from the back of the ship and will follow behind the boat digging a trench and feeding the cable into the seabed. (canadianbusiness.com)
«We had one that would come out of the back of the ship. (businessinsider.com)
They launch us off the back of the ship, and we're diving down, and there's this tiny porthole, maybe 5 or 6 inches across. (discovermagazine.com)