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Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense2. Security and confidentiality issuesUnmanned science and technology: a new boost to coastal defense islands and border defense.

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

First, the frontier development and multiple capabilities of unmanned technology1. Adaptability challenges in complex environments1. UAV: the eye of the air in coastal defense and frontier defense.