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Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.1. UAV: the eye of the air in coastal defense and frontier defense.Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

Second, the meeting point between the needs of coastal defense islands and border defense and unmanned technologySecond, the meeting point between the needs of coastal defense islands and border defense and unmanned technology