Satellite defense systems around the globe.
http://spacenews.com/new-report-slams-idea-of-a-missile-defense-shield-in-space/
http://spacenews.com/new-report-slams-idea-of-a-missile-defense-shield-in-space/
https://qz.com/1146753/ai-is-now-so-complex-its-creators-cant-trust-why-it-makes-decisions/
control of satellite means accompanied with AI powered drones, a small country (NK) could have global power.
Information is key. financial information transfered via satellite. Military Comms.
What happens if a countries satellites are disabled? Shutdown?
Several layers. Hack satellite-disrupt economy, bump a satellite - shutdown internet, telecommunications. Defense satellites, shipping, air traffic systems. cybercurrencies, If you believe CERN/AI.
More satellites than stars
http://www.wmo-sat.info/oscar/satellites