=Situation No. 2=:
You, Lieutenant A, commanding the flank guard, and marching at the head
of the support, are approaching this road fork. The flank guard is now
marching abreast of the interval between the reserve of the advance
guard and the head of the main body of the column on the (_a_)-(_b_)
road. There has been no contact with the enemy.
_Required_:
What action do you take?