The U.S. Army will unveil details about its largest reorganization in 45 years Friday, senior service officials said, as they create a new organization in an attempt to adapt more quickly to technology and address expensive failures in weapons acquisitions. Army Futures Command is being established in part to address concerns about the more than $32 billion the Army has spent since 1995 on programs that it canceled early with little to nothing to show for them. The new power center will be on par with other influential Army organizations, such as Training and Doctrine Command and Forces Command, and...