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Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defenseUnmanned science and technology: a new boost to coastal defense islands and border defense.2. Task execution in dangerous environment

2. Security and confidentiality issues2. Unmanned driving: an intelligent helper for land and sea transportation2. Security and confidentiality issues

Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.1. Monitoring requirements in a wide areaFirst, the frontier development and multiple capabilities of unmanned technology