This got cut from the revision of the Solador story because it is not directly relevant to the protagonist's story; this is something that the deuteragonist does to aide the protagonist in the climax of the story. Rather than let it rot, as it were, I'm going to post it here. The scene's intention was to demonstrate that the deuteragonist's organization--the Hidden City--has at its disposal more than just some well-trained agents and access to a pre-Cataclysm network infrastructure. However, without a series to build this out it becomes irrelevant to the story.
"Master Control, this is Agent Johnathan. I am at the resolution zone."
In his ear, John heard Master Control respond: "This is Master Control. We see you. Proceed."
John activated his holographic overlay, allowing him to see where to-be-resolved objects could be readily placed. His eyes quickly scanned for, and found, the Gate icon and placed it partially submerged into the waters of the Sound. With a gesture, he initiated the resolution protocol for the gate.
A flash flicked before him and spread out into a wireframe outline of a circular design. Two-thirds of its diameter stood out of the water, dwarfing John who stood well away from it with his eyes fixed forward and his body stiff as he concentrated on each element of the resolution protocol in turn. First the skeletal frame, and then key power components and conduits. Sinks, inputs, outputs, all drawn in step by step as if he coded it in a design program. Finally, the outer shell and its finish. Then back again, layer by layer, he make the framework solid and materialized each part into existence.
The glowing, pulsing, floating man-sized (and think) crystals on either side of the gate now linked up to it and brought it full to life with a loud pop and enough light to be a beacon to craft far out over the waters. With that, John dropped to his knees, exhausted: "Resolution. Complete.
"Stand by, Agent Johnathan. We're sending it through now."
John looked up, breathing deep as he got to his feet. He saw the gate light up, and a whoosh of air come forth as the gate's interior became a wall of white light. He heard the hum of such great energy being poured into the gate- something big now resolved into the Outer World. As he saw the bow of a ship, come forth, and then the first three-gun turret, and then the second, and then secondary turrets, and then the control tower, and a third three-gun turret on the stern, and the aft come crashing through as if exiting a dry dock he knew what he beheld.
"The Yamato!" John said in a gasp.
"Agent Johnathan, this is Master Control. Your request is granted. Good luck, and good hunting."
Note: this is not the I.J.N. Yamato of World War 2. This is the entirely fictional Yamato of Space Battleship Yamato. So those turrets have Shock Cannons, there is a fighter wing aboard, it can fly, and you're damn right that the Wave Motion Gun is on that thing. Why does John put in a request for it? Because the protagonist--William--is going up against The Archmage and the Exalted directly, and John alone is not enough to even the odds, so John calls in backup. The entire point of this ship's appearance is to force the opposition to have to split their attention and thus their forces.
So, rather than go on about it--since the story follows William and not John--I find a good reason to keep cut-aways from William to just those few that are nonetheless about William's story directly. This? This is not; it's there for a meta-narrative, and therefore can be cut here to maintain narrative focus.
As for what the Yamato is there to do, it's something like this episode from the recent 2199 remake (which is really good and you should see it):