I don't play Deathwing, or Dark Angels or own their codex so forgive me if it's in there, but have a large Blood Angels Army and from time to time I'd love to field a selection of my 1st company. This would be supported by the usual tactical and assault squads, but from time to time I'd love to use a commander and command group in terminator armour (standard bearer and apothecary basically) but is this even possible in any army list?

I don't think it'd be too overpowered, as it's only really a minor upgrade to what is already a veteran unit, but it'd suit the fluff better. After all the 1st company does have a captain, chaplain, apothecary and standard bearer in it!

What are your thoughts? Use a normal Terminator squad with the items modelled and ignore them rules wise or not?