User blog comment:Gekkou30/Big Boss Full Power CQC vs The Boss/@comment-121.216.102.100-20120223063709/@comment-24537176-20120224015957

Actually Big Boss did teach Solid Snake CQC during his younger years. It just after Big Boss so called betrayal of American Solid Snake never to use CQC again because he felt that Big Boss turned his back his country. It wasn't until MGS4 when information on Big Boss was leaked to the internet that people starting to use. Snake decided to lifted his self impose band on CQC. By the end of the game Big Boss obvoiusly learned The Boss's gun dismantle technique which she used to always take apart his guns.