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3. Efficient logistics support needsThird, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defenseUnmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

Second, the meeting point between the needs of coastal defense islands and border defense and unmanned technologyUnmanned 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. Security and confidentiality issuesThere are many dangerous environments and tasks in coastal defense islands and border defense work. For example, maritime patrols in bad sea conditions, patrols in disputed border areas, etc. The application of unmanned technology can make people avoid directly facing these dangers. Unmanned aerial vehicles can patrol the sea area in front of storm warning, and unmanned vehicles can patrol the border minefield, which greatly reduces the risk of casualties and ensures the task.Unmanned science and technology: a new boost to coastal defense islands and border defense.