[NapalmEnima]

And that confirms countermeasures of some sort. "Radar dampening" sounds promising too.

Schveet!

I'd also like to point out the name may come from the person who proposed the "Dyson Sphere", a huge ball around a star (like our sun). It would use the entire inner surface as living space (many orders of magnitudes more space than earth's surface), at a distance comparable to that of earth from the sun. By entirely enclosing a star, you can capture all its output, giving you a staggering amount of power at your disposal.

So I kinda expect the Dyson to be roundish. Maybe even spherical, though this would depart from the triangles shape theme that VS usually uses.