Alliance are a serie of different mods. On the Star Wars GC, you can play the civil war Empire vs Rebel era + Black Sun and soon the Republic and CIS.
Each time more close from the end of the 4.7 version, I showed you some skirmiss screenshots with many changes.
that looks like darth vaders meditation sphere
Can be but it is the Tycon spacestation made by MTD. A movile shipyard.
it's nice
Nice Y-Tie. Or Die-Wing :)