Shared aviation requirements could give otherwise different ships similar hangars and flight decks. The example uses two medium helicopters and three or four rotary UAVs for additional anti-submarine work and protection against small boats in narrow waters such as the Strait of Hormuz. Common handling needs would allow some design studies to be shared. National radar choices remain open: Britain and Italy might use indigenous systems, while Japan and Australia might retain SPY to avoid the cost of establishing another support chain. The command system would need to accommodate those choices. Equivalent weapon positions might hold Japanese railguns, Italian OTO Melara 76 mm guns, or British DragonFire lasers. These are illustrative fits, with different hulls, superstructures, and missile arrangements still expected.
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Common aviation needs can shape different ships
Shared helicopters and rotary drones may create similar hangars, while national choices in radar, railguns, lasers, and close-in weapons keep the combat fits distinct.