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First, the frontier development and multiple capabilities of unmanned technology3. Efficient logistics support needsUnmanned science and technology: a new boost to coastal defense islands and border defense.

2. Task execution in dangerous environmentChina has a long coastline, numerous islands and vast land borders, and it is difficult for traditional monitoring methods to cover these vast areas. Unmanned technology can solve this problem well. Drones and unmanned devices can extend the monitoring range and fill the dead ends of monitoring. No matter in the waters around distant islands or in the inaccessible border mountainous areas, unmanned technology can continuously monitor and ensure that China's coastal defense islands and border defense areas are always under monitoring.

2. Security and confidentiality issues1. Monitoring requirements in a wide area1. UAV: the eye of the air in coastal defense and frontier defense.