The Army, maligned for a series of expensive acquisition failures over the past two decades, now faces the future armed with aging vehicles and little in the development pipeline. The Abrams tank, a potent symbol of American military might since its introduction in the early 1980s, is losing ground to foreign counterparts. The service, grappling with a shrinking budget for modernization over the last decade, is focused on incremental improvements to the Abrams and the Bradley Fighting Vehicle, rather than...