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2. Unmanned driving: an intelligent helper for land and sea transportation3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

2. Security and confidentiality issuesAlthough unmanned shops, hotels and banks seem to belong to the service field, they play an important supporting role in coastal defense islands and border defense work. On the island, unmanned shops can provide daily necessities for the officers and men stationed in the army. Unmanned hotels can provide accommodation services for people who temporarily perform tasks, which reduces the cost of manpower management and improves the flexibility of accommodation arrangements. Unmanned banks facilitate the handling of financial services in frontier islands, such as salary distribution and fund storage, which ensures the flow of funds and financial security in frontier islands.

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense1. UAV: the eye of the air in coastal defense and frontier defense.Second, the meeting point between the needs of coastal defense islands and border defense and unmanned technology