Intelligence, Surveillance and Reconnaissance in 2035 and Beyond (Peter Roberts, RUSI)

With civilian use of the electromagnetic spectrum rapidly increasing, what will this mean for military ISR capabilities in 2035 and beyond? And how will this be affected by the emergence of (as yet unforeseen) disruptive technologies in the interim?

https://rusi.org/publication/occasional-papers/intelligence-surveillance-and-reconnaissance-2035-and-beyond