Board Thread:Questions and Answers/@comment-67.1.246.12-20130810173702/@comment-4913740-20140512085130

Stretching it to say that it could be Raiden or something like that is not as bad, but Gray Fox was clearly in Portable Ops as a teenager.

I guess some people might not have played that game, but I haven't either and I still know the story. Simple searches are all it takes.