The U.S. Army has picked South Korea’s Hanwha Aerospace to build prototypes for its new Mobile Tactical Cannon program, a wheeled, self-propelled 155mm howitzer intended to replace M777s in select formations.
In this video, we break down what Hanwha’s K9 Mobile Howitzer brings to the table, why the Army wants artillery that can shoot and move faster, and how drones and counter-battery fire are changing the way tube artillery has to survive on the modern battlefield.
We also look at why the M777 still has a role, how the Marine Corps has taken a more aggressive approach to artillery modernization, and why South Korea’s defense industry is becoming increasingly important to the U.S.
Recorded on: August 31, 2026
Written by/Edited by: Kyle Gunn
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