Navy's AN/WSN-12 Navigation Module Enters Production

The three-year production award replaces the AN/WSN-7 currently deployed across the fleet.

Updated on Nov. 3, 2026 in Semiconductors

Dark gray electronics cabinets with ribbed vents and bundled cables along a steel bulkhead in a dim equipment bay. — Northrop Grumman received a three-year low-rate production award for the U.S. Navy's AN/WSN-12 navigation processor module, which will replace the AN/WSN-7 across the fleet. AI Illustration. Upload story photo >

Northrop Grumman has received a three-year low-rate initial production award for the AN/WSN-12 Navigation Processor Module, the U.S. Navy's successor to the AN/WSN-7 that is currently deployed across the fleet. The award is for production, not an experimental prototype, so units are being built under a defined contract.

Why it matters

The award moves the AN/WSN-12 from development into production, which is the step where a navigation system's fleet-wide replacement cycle actually begins. Navigation processing for shipboard systems is a narrow but critical layer, and a production contract signals the Navy's intent to field the successor module.

The award is for low-rate initial production, a stage in which a system is built in limited quantities to verify manufacturing before full-scale output. The source gives a three-year duration but no unit count, performance benchmark, or dollar figure, so the module's measured capabilities relative to the AN/WSN-7 cannot be quantified from this report.

The players

Northrop Grumman

A major U.S. defense contractor that designs and produces naval navigation and sensor systems, including the Inertial Sensor Module used with the AN/WSN-12.

U.S. Navy

The branch of the U.S. military that operates the AN/WSN-7 fleet and is fielding its successor, the AN/WSN-12 Navigation Processor Module.

The details

The Navigation Processor Module handles and distributes navigation information to shipboard systems, acting as the computing layer that feeds position and motion data across the vessel. It integrates with the Inertial Sensor Module, which measures motion using internal sensors rather than external signals, and both sit within the AN/WSN-12 navigation cabinet. Northrop Grumman designs and produces the Inertial Sensor Module and continues to produce AN/WSN-12 Navigation Processor Module units.

Northrop Grumman's AN/WSN-12 award coverage was published on November 3, 2026.
The three-year low-rate initial production term runs for the length of the award.

The Tech Race

The AN/WSN-12 succeeds the AN/WSN-7, which remains the Navy's installed navigation processor across the fleet, so this award marks the transition from the incumbent to its replacement. The source does not name a competing navigation processor effort, so the wider competitive position of the module against other suppliers cannot be stated.

Sailors and maintainers aboard Navy vessels will see the AN/WSN-12 begin to replace the AN/WSN-7 as production proceeds over the three-year award term. Availability to the fleet and the replacement schedule were not specified in the source.

The takeaway

Watch for the contract value, unit count, and full-rate production decision, which will show how far the AN/WSN-12 replacement extends across the fleet. Those details, once published by the Navy or Northrop Grumman, will confirm the scale of the transition from the AN/WSN-7.