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2. Task execution in dangerous environmentUnmanned science and technology: a new boost to coastal defense islands and border defense.3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

3. 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.2. Security and confidentiality issues

2. Security and confidentiality issuesFirst, the frontier development and multiple capabilities of unmanned technology1. UAV: the eye of the air in coastal defense and frontier defense.