The often-quoted seventy-cruiser figure referred to new-age cruisers required for worldwide commitments. Older cruisers would remain in service beyond that total. The Tribal program was also meant to expand through two British flotillas and one each for Australia and Canada, followed by successor classes after operational experience. The cruiser total belonged to a wider Commonwealth fleet plan.
Notable Point · 35:13-36:12
The Royal Navy paired cruiser numbers with Tribal flotillas
The interwar requirement for about seventy cruisers sat alongside a plan for successive British, Australian, and Canadian flotillas of Tribal-class destroyers and follow-on ships.