In 1975 Navieras de Puerto Rico, also known as the Puerto Rico Maritime Shipping Authority, took over Seatrain's operations to and in Puerto Rico, along with the ships " Transhawaii ", " Transidaho " and " Transoregon ", which became Navieras "'Aguadilla ", " Carolina ", and " Mayaguez " ( often confused with the Sea-Land Service ship of the same name involved in the Mayaguez incident ).