Despite the narrowing competitive field for the Air Force's $16.3 billion T-X development effort, Air Force Chief of Staff Gen. David Goldfein told reporters Tuesday he is "still pretty optimistic" about the program and is unsurprised some companies decided the service's approach did not align with their business strategies. Last month, two industry teams, one led by Raytheon and the other by Northrop Grumman, announced they would not bid to build the Air Force's next-generation trainer . Teams...
