The Army has selected Lockheed Martin for an estimated $3 billion project to replace every Sentinel A3 radar variant in the inventory with upgraded A4s to improve the service's defenses against low-flying unmanned aircraft, cruise missiles and helicopters, beating out Raytheon and a third bidder. On Sept. 25, the Army awarded Lockheed Martin a $281 million hybrid contract -- fixed-price-incentive (firm target), firm-fixed-price and cost reimbursable (no profit/fee) -- to develop and deliver 18 Sentinel A4 radar systems. The win...
