OK, post here to discuss the Socii Auxilia availability.

Personally, I think it is a valid concern that the Socii get delayed by the delay in Auxilia Camp II -- this is of course due to the fact that CA grouped all the Auxilia together. Now there are several ways to skin this cat, but I am fond of the following approach at the moment:

Specifically, this is reference to the availability of the following units...

Socii Equites
Socii Equites Extraordinarii
Socii Extraordinarii
Socii Hastati

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Currently these are restricted to the Auxilia Camps, which of course groups them together with the barbarians units, which were not recruited by the Romans until much later.

So, my idea is this:

Socii weren't *technically* considered as true auxilia, these were instead Roman allies. It makes sense that the solution to the problem (their recruitment being restricted to the availability of barbarian type auxilia units), is to split them away from the auxilia buildings. In otherwords, instead of the Socii being recruited by Auxillary Camp II, III, IV, they instead become recruited by the regular barracks, starting with Main I, II, III, IV (but Socii Equites would be restricted to Main II, along with the ordinary equites, for the sake of consistency).

The trick here is that the Socii Extaordinarii must be limited in number, otherwise the Romans would just recruit these units instead of Hastati. So, to address that, Socii Extraordinarii units would be limited to 8 (being elite units).

This would essentially allow the recruitment of all Socii infantry immediately, which was historical, and only the true auxilia would be delayed by the Auxilia Camp II. Also, the good thing about this is that it removes the need for the Romans to build an auxilia camp in Italia, which doesn't really make a lot of sense (they need to build barracks and training buildings).