
The Army has awarded Lockheed Martin [LMT] a $281 million deal to upgrade its Sentinel radars to the A4 version and transition the system to Active Electronically Scanned Array technology. Under the deal, announced Wednesday evening, the Army will purchase 18 Sentinel A4 radar systems with work expected to be completed in March 2026. Lockheed Martin’s new A4 version of the AN/MPQ-64 Sentinel radar, which provides air surveillance and fire control data, will replace the A3 built by Thales and…