Well as I have said Thunderer, the Coalition Shipline Textures were lost a long time ago (hence why the Carrier and BC look as they do) so we can't do much about that but make do with what we have. As for the Fwrd Gun that's a discussion to be had with the Developers on if it is possible, strength/lack of strength and so on and so forth.
I know the Houses are lacking in ships, but it has been getting better with Rheinland also getting a BC for example, sometimes you just got to reach out to modlers and ask, sometimes you just can't wait for models to come to you, one has to seek them out and actively participate with the modler in order to design something. Unfortunately this requires you to reach out and find somebody willing to do so. But there are folks out there mate. Just gotta find em.
And Caelumaresh, it simply wouldn't work out as we are committed to this as a BC and Dartstriker worked so hard on the current Carrier model. It would be insulting to just replace it. So the answer on that front is: Not possible.
In any event it won't be ingame for some time and I still need somebody whose able to hitbox/hardpoint to complete it in any case before it's sent off to be balanced. Not to mention I got to complete my RP for the original blueprints from the CPW Resurgency. So yeah there's still stuff we gotta do before it's fully ready.
It would be insulting to just replace it. So the answer on that front is: Not possible.