crypto to look out for snippets

1. UAV: the eye of the air in coastal defense and frontier defense.3. Efficient logistics support needsUnmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

2. Unmanned driving: an intelligent helper for land and sea transportation1. UAV: the eye of the air in coastal defense and frontier defense.Unmanned science and technology: a new boost to coastal defense islands and border defense.

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense2. Security and confidentiality issues3. Efficient logistics support needs