Imperial Guard without a doubt, in the movie there are no tanks so the bugs are free to chop Mobile Infantry to bits. In the guard at worst there's a chimera firing it's laser safely over my head, at best a titan walks infront of you and wins the battle.
Also I might get to be a commissar, there is more honor in that position than in all of the mobile infantry.
Also I might get to be a commissar, there is more honor in that position than in all of the mobile infantry.