Early last year, Ubisoft made a general; announcement that the next game in the Ghost Recon series was in development... and that is all that was said.  A trademark was filed on 12/14/09 on the 
USPTO website for 
Ghost Recon: Future Soldier by Ubisoft.  What does this mean?  Nothing more than the fact that the new Ghost Recon may officially have a name... now let's get some real info Ubisoft!