The deal is structured as a fixed-price-incentive and cost-plus-fixed-fee arrangement, reflecting the complex engineering requirements of the Sentinel A4 platform. Despite the massive scale of the project, the solicitation process drew only a single bid through the military’s online procurement portal. Lockheed Martin will oversee the production and ongoing engineering services for the duration of the contract, with all deliverables and technical support scheduled to conclude by June 29, 2031.
Lockheed Martin Secures $3 Billion Army Radar Contract
The U.S. Army has awarded Lockheed Martin a $3 billion contract to manufacture and provide technical support for its Sentinel A4 radar systems. This long-term agreement, finalized through the Defense Department, positions the aerospace giant as the primary supplier for the military's next-generation air defense surveillance technology.

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