Suggestion: Combined army modifier

[Dampfnudel]

Currently I don't see much value in having formations with mixed units. However in military Praxis, the combination of different units (combined arms) is a modern doctrine.

I would like to see a combined arms modifier that buffs the strength of combined arms attacks.

Using different independent unit mixed in an attack should yield a small buff.
Using mixed formation of the same OHQ should yield a big buff.
Leader stats and posture should Influence it.

This way attaching infantry or artillery to our tanks would make sense.

[DeltaV112]

There already implicitly is because of how the combat target selection works and how weapon specialization works. Basically there's a number of specialized anti-tank weapons that hit tanks really hard but don't hit infantry that hard. Bringing infantry alongside tanks lets the infantry soak hits for the tanks that might otherwise threaten them. There's a bunch of weird math as to why(it's because of the penalty to counterattacks and the maximum number of counterattacks), but it works.