What major event influenced the decision not to reassign fleet numbers?

The decision not to reassign fleet numbers was significantly influenced by World War II. During and after the war, the United States Navy established a system of fleet numbering that became ingrained in naval operations. The fleets were identified by their specific numbers and areas of responsibility, which provided clear communication regarding their location and operational role. Changing these established numbers could lead to confusion and a disruption in command and control structures, especially during a period of extensive naval engagement.

Furthermore, the historical context of fleet numbers helped build institutional knowledge and traditions within the Navy. These factors made it essential to maintain continuity in fleet numbering rather than introducing changes that could undermine operational effectiveness. The other events, while historically important, did not have the same impact on the numbering system as World War II did.