The Army needs a new logistics model to fight in a modern world, according to the service's under secretary. Ryan McCarthy told reporters at the Pentagon today he would be attending a meeting later in the day on logistics investment, which is starting to include things like additive manufacturing. He said Gen. Gus Perna, chief of Army Materiel Command, is "championing additive manufacturing [to] produce parts in an expeditionary fashion out in the field." "We never would have done this...