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2. Security and confidentiality issues1. Adaptability challenges in complex environments3. Efficient logistics support needs

3. Efficient logistics support needsUnmanned science and technology: a new boost to coastal defense islands and border defense.3. Efficient logistics support needs

1. Monitoring requirements in a wide area2. Unmanned driving: an intelligent helper for land and sea transportation3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.