Army wants different GPS alternatives for different domains, including commercial tech breakingdefense.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from breakingdefense.com Daily Mail and Mail on Sunday newspapers.
SDA Director Derek Tournear said next year his organization will begin launching the Tranche 1 Transport Layer satellites for regional communications, which also will carry a "navigation message" embedded in their venerable Link 16 data links.