As the Army finalizes its upcoming spending plans, service leaders are working to strike an appropriate balance between procuring emerging Future Combat Systems equipment and upgrading legacy vehicles that are already combat-proven, according to the service's top officer. "One of the toughest decisions that [Army Secretary Pete Geren] and I will have to make is when do you stop upgrading legacy systems, when do we move away from those Cold War systems and go buy fundamentally different technology -- and...