The concept of a battlefield control system was envisioned as far back as the 1970s. The Patriots, led by Zero, thought that to unify the world they would need to subjugate humanity under a single will. 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. Cipher agent Pacifica Ocean alluded this concept to Big Boss during the Peace Walker Incident, with AI researcher Strangelove also hypothesizing an "expert system" that could allow Big Boss to choose which gun he should have. While failing to convince Big Boss to rejoin the Patriots, Zero used the results obtained from Hot Coldman's Peace Walker project and started researching in electronics and digital technology, along with