Why was Britain able to build a frigate factory while the United States has not?
Short answerThe British effort had a much longer lead-in, with discussion around 1991 and government intention in 1996. Its production line still depends on follow-on orders after Type 31.
NotesThe chronology places British discussion of a frigate factory around 1991 and a stated government intention in 1996. Possible earlier roots are traced to late-1980s thinking and the review of Falklands War lessons, with those links presented tentatively. The comparison gives Britain a longer head start on the idea, while noting that the United States previously had more serving ships and existing production. A building hall still needs follow-on orders to retain its workforce and production learning. Type 32 and later batches are discussed as the hoped-for continuation after Type 31. Until that work is ordered, the facility's existence alone cannot establish a continuous frigate programme.