SDA awards $1.75B to L3Harris and Sierra Space for Tranche 3 Tracking Layer satellites
The U.S. Space Development Agency (SDA) has awarded $955 million to L3Harris Technologies and $798 million to Sierra Space under fixed-price OTA rapid-prototyping contracts to build 36 Tracking Layer satellites in support of proliferated low Earth orbit missile warning and defense. The Tranche 3 satellites are targeted for delivery by end-2028.