<prompt> Kamilisha sentensi ifuatayo: Mnamo 1974 Kampuni ya Matson Navigation ilichukua huduma ya pwani ya magharibi ya Seatrain-Hawaii, ikiajiri Transoneida, Transchamplain na Transontario kushughulikia trafiki. Katika 1975 Navieras de Puerto Rico, pia inajulikana kama Puerto Rico Maritime Shipping Authority, alichukua juu ya shughuli Seatrain ya na katika Puerto Rico, pamoja na meli Transhawaii, Transidaho na Transoregon, ambayo akawa Navieras Aguadilla, Carolina, na Mayaguez mara nyingi kuchanganyikiwa na meli Sea-Land Service ya jina moja kushiriki katika  <response>: Tukio la Mayaguez. Mabadiliko haya mawili kushoto Seatrain kuzingatia wake wa kimataifa transatlantic na transpacific shughuli na kuchukua nafasi ya meli yake ya awali kubadilishwa chombo, hasa kwa meli ya meli iliyoidhinishwa, pamoja na mpya ya kujenga Seatrain Uhuru, Seatrain Bennington, Seatrain Chesapeake, Seatrain Oriskany, Seatrain Saratoga, na Seatrain Yorktown. 