
The U.S. Space Force's Space Development Agency (SDA) has issued a solicitation for Tranche 2 (T2) of the SDA Tracking Layer for first launch by April 30, 2027. "The T2 Tracking scope includes the procurement and deployment of 54 – and potentially more – space vehicles (SVs) with infrared (IR) sensors in six orbital planes," SDA said in a business notice. "The fully deployed Tracking Layer is estimated to include more than 100 SVs in low Earth orbit (LEO) across…