Ah, so Codex Space Marines can ally with Codex Space marines as long as they are different colors. "I have a 2000 pt Codex Space Marine army. It's a Periwinkle Marine detachment with a Navy Blue allied force and a 2nd Periwinkle Marine Detachment with a Catalina Blue Marine allied force."AndrewGPaul wrote:Can Space Marines "ally with themselves", or does the allied contingent need to have a different Chapter Tactics from the main force? If so, then that's no different to Blood Angels with Space Wolves allies. Seems fair enough to me. I've always fancied a "crusade army".
The rulebook, on page 109, states "...this must be a different codex to the one used for the primary detachment." Unless Codex: Space Marines specifically addresses this issue, then it's no deal; I assume it does, because I've seen this mentioned in a few places.
I'm only being sarcastic because I have little love for the May-reens. But like AGP says, a "crusade army" would be fun. An eclectic mix of knightly orders thrown together for an impossible conquest, I can dig that. But you don't need to call units "allies" just to paint them a different color. I mean, what's the point of all these ally rules and force organization slots if they are so flexible that they are not restrictions in any way? Well, beside to sell more models.