You are the OIC for the convoy operations and small arms exercise. Your commanding officer informs you that he would like to shoot mortars with HE in support of maneuvering troops. You tell him that you cannot allow that to happen for the following reason: A. You need to fire mortars before or after troops maneuver to the objective; mortars cannot be fired while troops are maneuvering B. Range safety requirements prohibit firing mortars in support of maneuvering troops C. We have requested a training plan change to Range Control to include mortar fire D. Range control has not given clearance to shoot HE mortars