The Space Development Agency's planned launch later this month for its first low-earth orbit satellites has been postponed to December, according to SDA Director Derek Tournear, causing a minor setback for the agency's goal to deliver a proliferated architecture of low-earth orbit satellites that will serve as the backbone of the Defense Department's Joint All-Domain Command and Control effort. SDA originally planned to launch the first of its Tranche 0 low-earth orbit satellites by late September. Due to supply chain...