Lengkepan kalimah di handap ieu: Taun 1974 Matson Navigation Company ngambil alih jasa Seatrain Kulon Basisir-Hawaii, nyéwa "Transoneida", "Transchamplain" jeung "Transontario" pikeun nanganan patalimarga. Dina taun 1975 Navieras de Puerto Rico, ogé dipikawanoh salaku Puerto Rico Maritime Shipping Authority, ngambil alih operasi Seatrain ka sareng di Puerto Rico, babarengan sareng kapal "Transhawaii", "Transidaho" sareng "Transoregon", anu janten Navieras "Aguadilla", "Carolina", sareng "Mayaguez" (sering bingung sareng kapal Layanan Laut-Land anu sami nami anu kalibet dina
Kajadian Mayaguez). Dua parobahan ieu ninggalkeun Seatrain pikeun konsentrasi dina operasi transatlantik jeung transpacific internasional sarta ngagantikeun kapal kontainer nu dirobah, utamana ku armada kapal nu ditéang, ditambah "Seatrain Independence", "Seatrain Bennington", "Seatrain Chesapeake", "Seatrain Oriskany", "Seatrain Saratoga", jeung "Seatrain Yorktown".