If I had to give an honest, unjoking guess... I'd say the Jupiter will be a Tier 6 upgrade of the T5 Gal-X dreadnought with carrier capability.
That would be my assumption, based on ship design and the way the game is currently trending.
They have, however, said that they are not planning a release of t6 ships in the near future. If at all.
What they are doing, and what they want to do in order to push the boundaries of the Tier system is the new "fleet" and "advanced fleet" ship system. These ships are going to be tougher and all around better versions of most of the ships released and can only be acquired through working on fleet bases and projects, and then only if your fleet decided to develop advanced shipyards.
It's a cool idea and I look forward to it, but it's not very future minded. The only way to get fleet points is to work on building stuff, so what happens when the base is done? What
happens when you make a new character and join a fleet who's base is nearly complete?
But I digress, it seems that there will not be a new step in the tier system, so if at all the Jupiter would be t5.
There is now confirmation of the possibility of side weapons in the game. Captain Gecko says that he wants to include them on the Andorian Battle Cruiser! So if all goes well and fortune is on our side, the Jupiter could have some side weapons as well.
Vote YES to the Jupiter Class Dreadnought!
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And now check out the new Jupiter Class Dreadnought forum HERE