Russia disrupting GPS in Israeli airspace via ship or military base in Syria, defense officials...

This is what happens when you depend on too many outside devices and services. Electronic warfare is useful both for offense and defense, but as with most technologies, it is a cold war of one upsmanship. Each advance will required a new defense, and each new defense will need a new offense.

We now have the new 'Internet' issue! Let's not forget the weaponization of Space now! What frontier do we have left to make war with or over?

The Moon? Mars? Maybe the Sun? These all come to mind.