Board Thread:General Discussion/@comment-5085906-20130627191357/@comment-4913740-20150517161645

In the Metal gear universe, all technological breakthroughs are done years in advance due to the Patriots. Medical innovation would be the same. Therefore, Cipher would be responsible for spearheading head transplant surgery in the 80s.

So the big question is; why would they do head transplant surgery on Big Boss in the first place? And why would they test relatively new medical practices on Big Boss? Seeing as Zero reveres him so much.