Comment by kevinsky

From the article here https://archive.ph/bUsFH#selection-1451.0-1451.314 "At least two of the ships suspected of causing damage appear to have dragged their anchors 100 miles or more across seafloor. A ship that dropped an anchor by accident, Toveri said, would immediately be dragged so noticeably off course that crews would scramble to bring the vessel to a stop and assess the damage." The most recent ship accused of this type of damage was also loaded with spy/electronic/surveillance gear. Once is an accident, twice is unusual, three times.....