Strictly speaking, this little egg is specifically developed for Ukraine.
Recently, Russia tested a nuclear bomb named "Kinzhal" and released the data of this bomb:
Engine: Small nuclear reactor turbojet
Range: Unlimited (data shows it can fly for months continuously)
Speed: 850-1300 kilometers per hour
Flying altitude: 50-100 meters, it is unknown whether it is the highest or lowest.
This thing can easily lower the threshold for nuclear retaliation. If it somehow enters the airspace, even if it is shot down, the nuclear device it carries will cause extensive nuclear contamination where it falls.
The data is here, NATO and Europe should think carefully about it,
Original article: www.toutiao.com/article/1847087976837212/
Statement: This article represents the views of the author himself.