Russian "Space Battle Station"

Untill today i never Knew something like this existed. Im sorry if this has been posted here before.

Does any1 have any idea what this “battle station was more specificaly designed to do. C&C or Act as a missile shield??

http://www.militaryphotos.net/forums/viewtopic.php?t=30510&postdays=0&postorder=asc&start=0