Such barges need to be towed by tugboats or pushed by towboats. Otherwise, "dumb barges" must be towed by tugs, or pushed by pusher boats. Originally barges were towed by draft horses on an adjacent towpath. The vessel was then towed back to shore. It was usually towed by vehicle without a limber. Larger ships have to be towed by tugs. She was towed to Greenhithe by tug. Instead, they were towed by tugs. The submarine was towed out into Lake Michigan for filming. By mid-March it had been towed over and docked, and the RCOH work had begun. They were consequently towed to government offices to unload the bodies. Torpedo countermeasures can be towed or free. M777 towed howitzers, for a total of six guns. She gets a call that Salmans car is being towed. "Nevada" was later towed to Pearl Harbor and decommissioned on 29 August 1946.