The military's Silicon Valley start-up is no longer an experiment, according to the Pentagon's No. 2 official. The organization, known as the Defense Innovation Unit (Experimental) or DIUx, is dropping the "x" from its name and will now be known as simply "DIU," according to an Aug. 3 memo signed by Deputy Defense Secretary Patrick Shanahan. The organization "is a proven, valuable asset to the DOD," he wrote. "Removing 'experimental' reflects DIU's permanence within the DOD," Shanahan wrote. "Though DIU...