In a major shake-up of how the Army divides up the world, the service announced Friday the activation of the Western Hemisphere Command, shuffling three commands under a single four-star general. Gen.

The Army shuttered its largest command on Friday to activate in its place a new organization focused on soldiers’ efforts in the Western Hemisphere as the service continues a major shakeup of its top ...

As it looks to bring its operational readiness into the 21st century, the American military is trying to revamp all aspects of its existence, from the tools it uses to wage war to the procedures it ...