Shiba's next objective is the capital.  A strong push through
the westren flank of Hirota's army will not only cripple any offences, but cut off supply to Saotome and Tendo from the Garrison.  

Tojo put in his elite unit between Shiba and the garrison, he anticipated his move, but even from the heights of the mountains, Shiba can't see them.    

To the flatlands...