Naval-history sites across Cornwall

What worthwhile naval-history sites are there in Cornwall?

The county offers Warspite and Falmouth connections, Atlantic-cable and smuggling sites, weapons history, and the naval-aviation landscape around RNAS Culdrose.

St Michael's Mount and the place where HMS Warspite grounded sit within Falmouth's wider maritime landscape. Cornwall also preserves smuggling sites, weapons-development associations, and the beach from which early transatlantic cables departed Britain. RNAS Culdrose adds a major naval-aviation dimension: its runway can handle very large aircraft, while the station has also supported helicopter operations and carrier deck-handling training. The answer makes the county useful as a connected field study in sea routes, communications, coastal geography, and Fleet Air Arm infrastructure.