Long-range submarines threaten more than nearby fleet bases because they can reach the routes that sustain maritime powers. Britain and the United States both depend on the movement of goods across great ocean distances. A recognized cruiser-submarine category would therefore keep undersea endurance, weapons, and foreign deployments high on their intelligence priorities. That awareness reinforces escort investment by extending the perceived zone of danger far beyond European waters.
Notable Point · 48:08-48:38
Trade-dependent powers become more sensitive to submarine range
Britain and the United States would watch long-range submarine technology more closely because their security and economies depend on oceanic transport.