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Unmanned 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.

Although 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 defense

2. Task execution in dangerous environment2. Security and confidentiality issues1. Monitoring requirements in a wide area