What 3,000-ton British destroyers could carry

Where would larger 1,600- to 3,000-ton interwar destroyers be useful in World War II?

Almost everywhere, because the extra displacement permits a balanced dual-purpose gun, torpedo, and ASW fit without sacrificing the normal destroyer role.

Larger destroyers remain suitable for the Royal Navy's historical missions almost everywhere it used the type. A roughly 3,000-ton ship can carry three twin 4.5-inch dual-purpose turrets, ten torpedoes, and useful anti-submarine equipment without choosing one role at the expense of all others. Extra displacement also provides margin for growth during wartime. If torpedo-reloading gear is omitted or displacement definitions are stretched, designers may even find room for more automated systems. Larger treaty destroyers would become balanced fleet workhorses rather than niche leaders.