Which of the following is a key responsibility of a brigade ammunition manager? A. Coordinate all Class III requirements for off post training with that Installation Ammunition Office and the G3/G4 B. Ensure excess ammunition is requested to fill unforecasted requests within the IBCT. Coordinate with the Installation Ammunition Office to determine what other units you may borrow ammunition from in case these requests are insufficient for training needs C. Establish a system to ensure training ammunition is properly forecasted, consumed or returned to the ASP, and that DA Forms 581 are cleared within five working days after completion of the training event