Not sure at all really. They all are rather interesting. Centinel seems to have the most work put into him though, alongside Xen.

Maybe delete the details that arent seen under the armor then put some lines and that to fix it all up. Make it look more grass like.

Shock troopers are gonna be interesting. But I gotta do the mercs first.

It’s all great except for the new planet not being inhabited till the 2050s. So maybe push the date a little further and you will be good then.

Done ver nicely. Any nodes left?

An interesting idea but that stock makes the weapon more dangerous to it’s user.

Some proportions seem off but this is actually pretty good.