4-42. A significant resource consideration in RC planning is the allocation of available training time. Limited training time requires RC commanders to prioritize training requirements. They may have to train fewer tasks so that the Army standard can be attained. RC commanders compensate for lack of training time by carefully distributing requirements over longer periods oftime and identifying selected training tasks for execution during postmobilization training. Virtual and constructive training can complement live training because they are time efficient, and can support sustainment of the RC unit in the Band of Excellence.