Star Wars: Rogue One - 24 Images From Celebration You Must See

And that's what it's all about: Krennic's baby.

This model shows the almost completed Death Star, missing only a few elements and very much almost operational. The description reads as follows:

"The Death Star is the Empire’s ultimate weapon: a moon-sized space station with a superlaser capable of destroying an entire planet. The brainchild of Grand Moff Tarkin, the Death Star nears completion — and once ready, will serve as the Emperor’s principal means of spreading fear throughout the galaxy."

If we don't get to see Grand Moff Tarkin in some form, it will be remarkable. The fact that he's mentioned here seems doubly intriguing.