Columbia subject headings:
Ordnance, Naval--Great Britain--History--20th century.
Harvard subject headings:
Defense industries--Great Britain--History--20th century.
Great Britain. Royal Navy--Procurement--History--20th century.
Military weapons--Great Britain--History--20th century.
Ordnance, Naval--Great Britain--History--20th century.
Sea-power--Great Britain--History--20th century.
Princeton subject headings:
Ordnance, Naval--Great Britain--History--20th century.