Rubuta ci gaba don wannan sakin layi - A cikin 1974 Matson Navigation Company ya karɓi sabis na Seatrain West Coast-Hawaii, ya ba da "Transoneida", "Transchamplain" da "Transontario" don kula da zirga-zirga. A cikin 1975 Navieras de Puerto Rico, wanda aka fi sani da Puerto Rico Maritime Shipping Authority, ya karɓi ayyukan Seatrain zuwa da cikin Puerto Rico, tare da jiragen ruwa "Transhawaii", "Transidaho" da "Transoregon", waɗanda suka zama Navieras "Aguadilla", "Carolina", da "Mayaguez" (sau da yawa ana rikita su da jirgin ruwan Sea-Land Service mai suna iri ɗaya da ke cikin lamarin Mayaguez
) Ya ce: Waɗannan canje-canje guda biyu sun bar Seatrain don mai da hankali kan ayyukansa na transatlantic da transpacific na duniya da kuma maye gurbin jiragen ruwa na asali da aka canza, galibi tare da rundunar jiragen ruwa da aka yi hayar, da kuma sabbin gine-ginen "Seatrain Independence", "Seatrain Bennington", "Seatrain Chesapeake", "Seatrain Oriskany", "Seatrain Saratoga", da "Seatrain Yorktown".