The Air Force's fiscal year 2017 budget for the next-generation Global Positioning System ground control system includes a "late add" of $234 million to account for its best guess at how a new, two-year development delay will impact the near-term costs and shows a $1.6 billion spike in the program's total cost. Maj. Gen. Roger Teague, director of space programs in the Air Force's acquisition office, told reporters at a Feb. 11 briefing that the service has not yet completed...