Starlink, the satellite internet constellation being constructed by SpaceX, has reportedly disrupted the communication links of the Russian military. The exact impact of this disruption is still under investigation. Given that Japan is within the potential area of influence for this satellite system, both positive and negative implications are under widespread discussion. Details about when and where this disruption occurred are as yet undisclosed.
In Japan, space technology and national defense are both matters of serious concern. The potential uses of SpaceX's Starlink system can't be ignored in these contexts. However, Starlink is primarily seen as a civilian communication system rather than a potential tool for jamming military systems. The Japanese public and legal sphere therefore consider this disruption from an angle of international law and how it might impact Japan's domestic security.
In the US and EU, there has always been a major concern about protecting the digital communication links of military systems. Therefore, any disruption of such systems, regardless of where they are based, raises questions about possible new security threats and methods to counter them.