Thailand plans to buy new fighter jets

by Michel Fabey

Deliveries of the low-rate initial production AN/WSN-12 systems are expected to begin in June 2022. (Northrop Grumman)

Northrop Grumman is set to begin shipping the first Low Rate Initial Production (LRIP) models of its AN/WSN-12 Inertial Navigation Systems (INS) sensor assemblies in June 2022, Michael Corrigan, Director of Maritime Systems & Integration company and Charlottesville site manager, says

“We’re in the process of building the LRIP units,” Corrigan said in a Dec. 17, 2021 interview, ahead of the Surface Navy Association’s National Symposium, which kicked off Jan. 11 in Arlington, Virginia.

The first ship scheduled to receive the new system is the USS guided missile destroyer.
(DDG-96) in September, Corrigan said.

Since the AN/WSN-12 footprint is similar to the previous system, replacing the systems should be relatively easy and non-invasive, he said. “It’s a relatively simple process, done during an availability.”

Northrop Grumman has supplied the AN/WSN-7 INS to the United States Navy (USN) for its fleet for decades, delivering the 500th WSN-7 cabinet in September 2021, anchored by the system’s ring laser gyroscope technology.

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