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2. Security and confidentiality issues2. Security and confidentiality issuesUnmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

Unmanned science and technology: a new boost to coastal defense islands and border defense.2. Task execution in dangerous environment3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

Unmanned driving technology can also play a unique role in coastal defense islands and border defense. At sea, unmanned ships can be used for patrol, material transportation and other tasks. In island defense, unmanned supply ships can accurately transport materials to various islands, reducing personnel risks and improving transportation efficiency. In border areas, unmanned vehicles can perform patrol tasks in harsh terrain and environment. For example, in plateau border areas, unmanned vehicles are not affected by factors such as high altitude and lack of oxygen, and can patrol for a long time according to the set route to find out the sudden situation at the border in time.Second, the meeting point between the needs of coastal defense islands and border defense and unmanned technology3. Efficient logistics support needs