(This story has been updated from its original version to include information from a press briefing with Deputy Defense Secretary Patrick Shanahan.) The Defense Department, tasked with reorganizing the office that oversees its massive acquisition system, proposes replacing it with a new management structure focused on technological superiority and program efficiency, according to a new report delivered to Congress. In the report , the Pentagon calls changes mandated by the Fiscal Year 2017 National Defense Authorization Act a "once...