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There are many dangerous environments and tasks in coastal defense islands and border defense work. For example, maritime patrols in bad sea conditions, patrols in disputed border areas, etc. The application of unmanned technology can make people avoid directly facing these dangers. Unmanned aerial vehicles can patrol the sea area in front of storm warning, and unmanned vehicles can patrol the border minefield, which greatly reduces the risk of casualties and ensures the task.1. UAV: the eye of the air in coastal defense and frontier defense.Unmanned driving technology can also play a unique role in coastal defense islands and border defense. At sea, unmanned ships can be used for patrol, material transportation and other tasks. In island defense, unmanned supply ships can accurately transport materials to various islands, reducing personnel risks and improving transportation efficiency. In border areas, unmanned vehicles can perform patrol tasks in harsh terrain and environment. For example, in plateau border areas, unmanned vehicles are not affected by factors such as high altitude and lack of oxygen, and can patrol for a long time according to the set route to find out the sudden situation at the border in time.

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defenseUAV plays an important role in coastal defense islands and border defense. In coastal defense, UAV can cruise over the vast sea area of China for a long time, and use its advanced optical and radar equipment to monitor the activities of ships at sea. For example, it can timely find those ships that illegally intrude into China's waters, whether they are small fishing boats or large cargo ships. According to military experts, the cruising efficiency of drones is several times that of traditional patrol ships. In border areas, drones can cross rugged mountains and deserts to monitor the border. Its high-resolution camera can clearly identify abnormal activities such as people and vehicles on the border, which greatly improves the scope and accuracy of border monitoring.Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

3. Efficient logistics support needs2. Security and confidentiality issues