Interesting Effect of PITF

[Bel8910]

This may not be new to some of you but I just figured it out and thought it was a really inventive trick for modding.
I found out that I can mix my teams! IE, in the same battlegroup I can have Airborne, Infantry and Armor teams. One of the best of features, in my opinion, that the Matrix and Siltherine team made in PITF was the BG/FP/US tree of developing teams. The pic below shows a Combined Arms Team I developed for my mod: