Hanwha Defense USA signs U.S. Army research deal on K9 howitzers and 58-calibre cannon programme

By Martin Chomsky (Defence Industry Europe)

South Korea’s Hanwha Aerospace has completed acceptance testing for a domestically developed 1,000-horsepower diesel engine for the K9 self-propelled howitzer (SPH). This achievement represents a step forward in the company’s efforts to expand the K9’s presence in the international artillery market.
Photo: DSEI.

Hanwha Defense USA has secured a Cooperative Research and Development Agreement with the U.S. Army Combat Capabilities Development Command Armaments Center to study integration of a 58-calibre cannon into its K9 family of self-propelled howitzers. The agreement focuses on fitting a U.S. government-designed 58-calibre cannon to the K9 platforms within Hanwha’s Long-Range Precision Fires portfolio.

 

The company said the agreement comes as it works towards supplying the K9 to the U.S. Department of War. The collaboration is intended to explore how the cannon could be incorporated into existing K9 vehicle designs.

“This collaboration with the U.S. Army is a reflection of the versatility of the K9 turret—the centerpiece of Hanwha’s family of Long-Range Precision Fires platforms,” said Hanwha Defense USA COO Mike Smith. “The K9 closes capability gaps in volume and rate of fire, range, and rapid resupply, which translates into increased lethality and enhanced survivability of the American warfighter on the battlefield.”

 

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Hanwha Defense USA CEO Michael Coulter highlighted the system’s existing operational footprint across allied nations. “The K9 is in service in nearly every potential theater of battle,” he said, adding, “Of the five NATO nations that share a land border with Russia, four rely upon the K9 for Long-Range Precision Fires capability.”

Coulter also pointed to the benefits of an established global user base for sustainment and logistics. “This broadly dispersed base provides a global sustainment network that is unmatched,” he said, concluding, “Wherever the U.S. Army goes, in all likelihood the K9 is already there.”

 

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According to the company, the K9 family meets current size, weight, and power requirements while offering growth margins for the 58-calibre cannon and future technology insertions. Six NATO members have already acquired the K9 for their armed forces, supporting its role within allied long-range fires capabilities.

Hanwha Defense USA is a subsidiary of Hanwha Aerospace and operates across multiple global markets and supply chains. The company said it continues to expand its U.S. footprint through organic growth, industrial partnerships, and selective acquisitions to support long-term production and sustainment needs.

 

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