BAE Systems has launched a robust public relations effort to champion its hybrid-electric Ground Combat Vehicle design in the wake of a recent Congressional Budget Office report that said the Army's GCV program faced an array of challenges driving vehicle weight and cost. The CBO report says the GCV, given current Army force-protection requirements, will likely weigh between 64 and 84 tons -- twice as much as the Bradley Fighting Vehicle it is intended to replace, and approximately as much...