Foreseeing the potential fall of the age of the Cold War, and the upcoming rise of the electronic age, Zero thought of controlling weapons rather than deterring them. The Patriots, led by Zero, thought that to unify the world they would need to subjugate humanity under a single will.
The concept of a battlefield control system was envisioned as far back as the 1970s. 4.1 Metal Gear Solid 4: Guns of the Patriots.