Ultraviolet communication as a new means of communication receives extensive attention increasingly with its high secrecy, strong anti-interference ability, and other advantages in terms of military.

紫外光通信作为一种新型通信手段，以其保密性高、抗干扰能力强等优点在军事领域得到越来越广泛的重视。

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Is the administration at all concerned about the precedent being set in terms of secrecy, in terms of operating military craft in other sovereign nations, and what we might see as a result when China or Russia get their hands on drones?

WHITEHOUSE: Press Briefing