Both seamless and ubiquitous, this dystopian future of an omnipresent and unrelenting battlespace is well-described in an excellent article by Breaking Defense.
The myriad levels at which future conflicts will be fought will range from non attributable psychological operations via social media and cyber disruptions all the way to open kinetic warfare.
This means our institutions will need broader policy responses in a world where the line between competition and conflict is much less blurred than it has been down through history.
Click here to read their fascinating essay.