Concern over the Defense Department's inability to scale emerging technology has permeated the Pentagon and Capitol Hill in recent years, with criticism coming from Washington insiders and outsiders on the barriers -- and controversy -- surrounding start-ups in the defense industrial base. Many lawmakers have signaled the Pentagon needs to be a more agile innovator -- most recently, House Armed Services cyber, information technologies and innovation subcommittee Chairman Mike Gallagher (R-WI), who said the problem stems not from a lack...