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Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense2. Task execution in dangerous environment2. Security and confidentiality issues

3. Efficient logistics support needs1. Adaptability challenges in complex environments1. UAV: the eye of the air in coastal defense and frontier defense.

1. UAV: the eye of the air in coastal defense and frontier defense.Unmanned science and technology: a new boost to coastal defense islands and border defense.Unmanned science and technology: a new boost to coastal defense islands and border defense.