The Air Force has withheld approximately $532 million from Boeing on the 19 KC-46 tankers the contractor has delivered and is considering adding more "pressure" should the company fail to deliver a redesigned remote vision system on time. Gen. Maryanne Miller, head of Air Mobility Command, told reporters this week she's not satisfied with Boeing's early RVS redesign work -- saying that in her view, the system fails to meet two of the nine key performance parameters the company agreed...