RedactedNarrative: Vessel operator reported upon launching the vessel he realized he forgot to put the plug in. By the time the driver of the launch vehicle was notified of the situation and returned with the launch vehicle, the vessel had filled with water and rolled toward the starboard side, capsizing. The vessel operator and the witness were able to drag the vessel back to the dock and tied up to the dock and called for help. A tow company was called to assist with retrieving the vessel from the water. The vessel sustained extensive damage during the retrieval.