Columbia subject headings:
Harvard subject headings:
Fire control (Naval gunnery)--History.
Submarine warfare--United States--History.
Submarines (Ships)--United States--History.
Torpedoes--United States--History.
Princeton subject headings:
Fire control (Naval gunnery)--History.
Submarine warfare--United States--History.
Submarines (Ships)--United States--History.
Torpedoes--United States--History.