Quote Originally Posted by noodlers View Post
the gladius is specific to two battle demi companies each led by a captain and chaplain. it's a very special unit with special command benefits. after reading the codex i do not get the impression it is meant to be constructed with a compilation of multiple cores and auxes. also, i would not cite army builder as a reason for allowing something. army builder is not good at the decurion style formations and their command benefits.
Actually...no, it isn't. It's the only Detachment besides CAD or an Allied Detachment Marines have access to in C:SM. And it very much it built around Command, Core, and Aux choices.