The award, with a potential value of over $1 billion, expands the Proliferated Warfighter Space Architecture with 18 new missile tracking satellites DENVER, Dec. 19, 2025 /PRNewswire/ -- The Space Development Agency (SDA) has awarded Lockheed Martin (NYSE: LMT) a contract for 18 space vehicles for its Tranche 3 Tracking Layer (TRKT3) constellation, with a potential value of more than $1 billion. These satellites will provide missile tracking capabilities for the SDA's Proliferated Warfighter Space Architect ...