what are all of the ships?
salt lake city, commandant teste, pensacola, itsukushima, lichtenfels, chester, britannic, northampton, houston, baroy, ceuta, hercules, vikingen i, vikingen ii, vikingen iii, yngve
when were they launched?
23 january, 12 april, 25 april, 22 may, 29 june, 3 july, 6 august, 5 september, 7 september, date unknown, date unknown, date unknown, date unknown, date unknown, date unknown, date unknown
what about just the northampton and houston?
5 september, 7 september
and which was launched later?
houston