GTFg Atlas artillery frigate - 1,2km long, armed with 6 or 8 Tactical Plasma Cannons. Support frigate for bigger ships. It's replacement for GTCv Reyena. Modeled by Moonred, mapped by Kobrar.
Second is new main cannon for GTSD Anchorage also known as HEGreen [Huge Energy Green]. It's a fusion beam. New sections are made by Jessnec.
You can see older version of this beam here.
At least - Tactical Plasma Cannon. It's in modpack but it isn't final. You can take look on it from small distance.
They are WIP screenshots, so suggestions are welcome .