By Elias Schisgall

Lockheed Martin received a $3 billion U.S. Army contract to produce and provide engineering services for Sentinel A4 radars.

The fixed-price-incentive, cost-plus-fixed-fee, cost-no-fee contract received one bid over the internet, the Defense Department said.

Work on the contract is expected to be completed by June 29, 2031.

Write to Elias Schisgall at elias.schisgall@wsj.com