It's a Klingon supply base just the same as Space Station K-7, which not even a Federation player with diplomatic immunity is allowed to access..
So why does it offer Fed players to investigate it when the game is just going to deny you anyway?
"My frozen dairy-based confectionery attracts all the males of the species to the facilities. They all agree on it's superiority. Indeed, it is superior to yours. I could teach you the finer details but that would require monetary recompense on your part." -The Milkshake Song: Vulcan Edition