It depends on what type of future fleet GTVA will choice. Fact is that without fleet based on light forces GTVA would definitely fail in next war with Shivans. It's because Shivans have got lots, lots of AC-oriented capships, but small ships handles themselves much better. Now what kind of light-forces-based fleet is main question. However I don't think that fighters and carriers are good idea. Some time ago c914 made concept of gunboats, 100m long small ships replacing fighters completely. Advantage of gunboats over fighters are: much more powerful weaponry (not only froward, but also some turrets), being unable to be locked by AC weaponry (they're too small and too fast for that), ability of making intersystem jumps on its own and better effectiveness/prize (for prize of one gunboat you'd have at most three fighters). There would be three kinds of gunboats: Space Superiority (with lots of powerful turrets and average froward firepower), Assault (with lots of froward gunmounts, quite large secondary capability and few average turrets) and Torpedo (average turrets and froward gunmounts, but large secondary capability and ability to carry superhuge bombs).