I realized recently, that being twice as fast as my enemies was not doing me as much good as I wanted, and that inspired me to make a big tanky slowpoke that is as close to indestructible as I can get with my tech, whilst still putting out lots of damage at range, and having some big guns.
Gave it Boarding capable assault ships because yes, and it come with a grand total of 12 marine companies when fully equiped with parasite crafts, for a grand total of 3000 tons of genetically engineered fighting tanks with legs. had one soak a grand total of 4500 damage yesterday. noice