The Air Force formally assumes control of the Naval Space Surveillance System, commonly called the Navy Fence, with operations based at Dahlgren, Va. Now the Air Force Fence, it is a series of nine antenna sites across the southern US that help provide space situational awareness.
The Space Development Agency is set to launch 21 Tranche 1 data transport satellites on Oct. 5—its fourth Tranche 1 mission since last fall and the first to carry Northrop Grumman-built satellites.