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3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.The logistics support of coastal defense islands and border defense areas is facing problems such as long distance and difficult transportation. The services provided by unmanned technology such as unmanned shops, hotels and banks are helpful to improve the efficiency of logistics support. Through the automatic replenishment system of unmanned shops, the island garrison can obtain the needed materials in time; The fast check-in and check-out system of unmanned hotels facilitates the accommodation arrangements of people passing by; The self-service of unmanned banks ensures the safe and convenient use of funds and provides a solid logistical foundation for security work.2. Security and confidentiality issues

Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defenseThird, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense

3. Efficient logistics support needs2. Security and confidentiality issues