You have great talent with creative design, but the textual and technobabble aspect is lacking. You should find someone who's talent is in the pseudo-technological / future tech type genre to write up the details for you and stick to the artwork side. Combined with someone equally talented in writing as you are in the artistic rendering of these would improve the overall quality by leaps and bounds!
Dude all I can say after looking over all these guys is that hey look more like hell bringer than divers, cause when I play the scene of their deployment in my head they bring hell with them instead of diving into it. Seriously I see their drop pods landing smack dab in the enemy position making them think it's arty dropping in only to peek out from their cover to see the damage, to see one of these mofo's standing over them ending their life with a quick burst then bring untold terror to the next group of unfortunates. Keep this shit up and if I ever get a producer to fallow my scripts I'll be damned not to mention this work be put in it.