I think I should really explain what's going on I guess.
I'm making this ship playable in the FS2 era with FS2 level power but with its own quirks. Construction was initially started in the TV War Era but delays and budget problems more or less prevented it from being completed in a timely manner. In fact construction pretty much stopped in favor of Orions.... that is until Ross 128 and the Plato incident. The arrival of the Shivans prompted the GTA to ramp up construction on all fields, including building this carrier. It really took the destruction of Vasuda Prime to push this ship to completion, but even then it arrived on the scene very late.... Lucifer in Delta Serpentis late. The GTCa Aegaeus fought in Delta Serpentis, assisting GTA forces against shivan fighters. But when Alpha Wing from the Bastion defeated the Lucifer, the advanced GTCa Aegaeus found itself cut off from home.
The carrier is in a precarious situation. With all of the major schematics and designs for the ship lost at Earth, it is virtually impossible to properly maintain the Aegaeus and its 'advanced' systems proved to be the ship's failing. The Aegaeus uses a triple subspace warp system, a triple redundant capacitor that can allow the ship to perform 3 consecutive warps without recharging and all of its major weapons are linked to this system to flush energy into it. If the GTVA tried to mount large beam cannons in its 12 main turrets, it'd fry the subspace drive and the capacitor system is too ingrained into the shiip's vital systems that trying to bypass it would do more harm than good. In the end, the Aegaeus does not mount a single large beam cannon, rather its 12 main turrets are equipped with downsized light-medium beams. It can defend itself pretty well against a corvette in the FS2 era, but as soon as a frigate or destroyer comes into play, there is little the Aegaeus can do except run or deploy its fighters and bombers. However mounting flak guns was successful so the Aegaeus can unleash a frightening flak cloud when needed.
However, in the FS2 Era, the Aegaeus is a dying ship. Without schematics or original plans for the ship available for maintaining the ship, it is slowly decaying.
Hope this clears some things up. Least in my story there is only one out there.