Which of the following is not a current requirement for the maintenance and effectiveness of the CVN force?

The focus of the question is on identifying which item does not represent a current requirement for maintaining and ensuring the effectiveness of the CVN (nuclear-powered aircraft carrier) force. While improved ship design is certainly beneficial for long-term advancements in capabilities, it is not categorized as a routine or immediate requirement for the operational maintenance of existing ships in the fleet.

Continuous training of personnel, regular equipment upgrades, and routine safety inspections are all critical components related to the daily operations and readiness of the CVN force. These activities ensure that the crew is well-prepared, that the equipment is functioning optimally, and that safety protocols are being adhered to. In contrast, improving ship design is more aligned with future procurement and development initiatives rather than immediate operational requirements, making it the correct choice in this context.