The Air Force has reported a six-month delay of a key acquisition milestone for Raytheon's Small Diameter Bomb II, bumping the target date for declaring the first batch of SDB II ready for operations from July 2017 to January 2018, a shift that reflects -- in part -- knock-on effects of earlier development delays with the 250-pound, precision-guided weapon. The service, which is developing the weapon for integration on a wide range of Air Force and Navy aircraft beginning with...