July 14, 2026 Space Development Agency issues awards to build 36 accelerated missile defense tracking layer satellites for Tranche 3 in support of Golden Dome for America The Space Development Agency awarded two agreements totaling approximately $1.75 billion to L3Harris Technologies and Sierra Space Corporation for 36 Accelerated Missile Defense Tranche 3 space vehicles. These satellites will expand the Proliferated Warfighter Space Architecture's Tracking Layer,
Sept. 23, 2024 Space Force awards four 'Quick Start' Resilient GPS agreements The U.S. Space Force’s Space Systems Command awarded four agreements to Astranis, Axient, L3 Harris, and Sierra Space to produce design concepts for Lite Evolving Augmented Proliferation one of the Resilient Global Positioning System program.