Hanwha Aerospace said Wednesday that a U.S. Army delegation visited its Changwon plant following the U.S. Army's selection of the company's K9-based system for an artillery prototype program. Brent Ingraham, Assistant Secretary of the Army for Acquisition, Logistics and Technology, led a delegation during an Aug. 26 visit to the facility, which is the main production site for the K9 family of self-propelled howitzers, the Korean defense company said. During the visit, the delegation reviewed Hanwha Aerospace's key land weapons systems, including the K9 self-propelled howitzer, the Chunmoo multiple rocket launcher system and long-range surface-to-air missile systems, according to the firm. The visit came days after the U.S. Army selected Hanwha Defense USA to provide it with K9MH prototypes, which are wheeled variants of the K9 guns. Washington aims to see if the highly mobile 155 mm artillery system can augment the towed M777 howitzers that are currently in wide-scale use by American forces. The company highlighted Hanwha Defense USA's integration and test facility in Opelika, Alabama, a