US Marine Corps Amphibious Combat Vehicles Arrive in Okinawa to Protect Japan

By Olawale Abaire, Warrior Editorial Fellow

On June 29, 2024, the III Marine Expeditionary Force (MEF) in Okinawa, Japan, received its first shipment of Amphibious Combat Vehicles (ACVs) at Naha Military Port. These eight-wheeled armored personnel carriers represent a significant upgrade from the Vietnam-era Assault Amphibious Vehicles (AAVs) and are designed to enhance the Marine Corps’ amphibious and maritime operational capabilities. This development marks a pivotal step in modernizing the Marine Corps’ fleet, ensuring it remains a formidable force capable of meeting contemporary challenges in the Indo-Pacific region.

The ACV is an eight-wheeled, all-terrain vehicle designed for versatility and robustness in various operational environments. Unlike its predecessor, the AAV, which is tracked and has a flatter hull, the ACV’s design incorporates wheels, allowing for greater speed and maneuverability both on land and in the water. Each ACV can carry three crew members and 13 Marines, along with a two-day combat load, making it a critical asset for rapid deployment and sustained operations.

One of the ACV’s standout features is its advanced armor and weapon systems. It is equipped to support a range of maritime operations, including sea denial and amphibious assaults. The ACV’s ability to traverse oceanic and riverine environments while transporting troops and equipment enhances the Marine Corps’ operational reach and flexibility. Additionally, the vehicle’s design includes provisions for future upgrades, ensuring it remains relevant and effective as new technologies and tactics emerge.

Lt. Gen. Roger B. Turner, the commanding general of III MEF, emphasized the strategic importance of the ACVs, stating, “Upgrading our fleet with amphibious combat vehicles capable of supporting sea denial and maritime operations will further bolster our ability to support deterrence efforts and respond to contingencies in the Indo-Pacific.” This statement underscores the ACV’s role in enhancing the Marine Corps’ deterrence posture and rapid response capabilities in a region marked by geopolitical tensions and diverse security challenges.

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The Indo-Pacific region is characterized by its vast maritime domain and the presence of several potential flashpoints. The ACV’s deployment in Okinawa positions the Marine Corps to respond swiftly to crises, project power across the region, and support allies and partners. The ability to conduct amphibious operations from ship to shore, and subsequently engage in ground combat, provides a comprehensive solution to a range of military scenarios.