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Space

SDA Awards Over $3.5 Billion For Tracking Layer Of Tranche 3

Frank Wolfe

Friday, December 19th, 2025

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SDA Awards Over $3.5 Billion For Tracking Layer Of Tranche 3

Pictured is a SpaceX Falcon 9 at Vandenberg Space Force Base, Calif. just before an Oct. 15th launch of Transport Layer satellites for Tranche 1 (SpaceX Photo)

Lockheed Martin [LMT], Rocket Lab USA [RKLB], Northrop Grumman [NOC], and L3Harris Technologies [LHX] are to build 72 satellites for Tranche 3 of the U.S. Space Force's Space Development Agency's (SDA) Tracking Layer under more than $3.5 billion in Other Transaction Authority (OTA) rapid prototyping contracts, SDA said on Friday. For the Tracking Layer of Tranche 3, each of the four companies is to build 18 satellites under the firm fixed price OTA awards. Lockheed Martin received $1.1 billion, L3Harris…

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