Northrop Grumman’s Modular Payload System (MPS) is a 26,000-pound four-pack missile system designed for forward, highly mobile fires from warships and land locations as needed. Built to travel beneath a US Navy UH-60 Sea Hawk or CH-53 Super Stallion, the MPS can quickly transit from an amphibious warship to an island location for quick setup and attack.
Northrop Grumman innovators, who displayed renderings of the weapon at the 2024 Surface Navy Association, explained that the weapon is engineered for maximum modularity, meaning it can set up fire control and attack wherever there is a link to targeting data. This means the MPS is built to synch with both ship-based radar and fire control as well as land-operating systems.
Precise ranges or details regarding the warheads and kinds of explosives are likely not available for security reasons, yet the weapon is designed for mobile, offensive attacks in support of dismounted, fast-moving Marines.
The idea is to offer the Marine Corps a ready and quickly producible multi-domain weapons system to support land-sea amphibious attack operations.
Missiles of this kind could potentially offer counter-drone protection, anti-aircraft fire, or even missile attacks against high-value land targets with a previously non-existent level of versatility and mobility. The idea for the weapon, which emerged from Northrop Grumman, is to present options to the Marine Corps as it refines new requirements for new threats and different kinds of amphibious warfare.
The idea is, quite simply, to make lethality mobile, multi-domain, and expeditionary in support of amphibious operations, which are precisely the kinds of operations the LAW is being engineered to support.
While the Marine Corps has not yet determined a specific role for the MPS, it seems likely they will explore possibilities with the weapon.
The Corps does not appear to have made any decisions regarding where or how to integrate the MPS weapon, yet its modular, multi-domain, transportable characteristics may make the MPS optimal for the Corp’s emerging LAW.
There does seem to be an alignment between the Corps’ operational concept for the LAW and Northrop Grumman’s thinking about Marine Corps weapons requirements in relation to the MPS.
An interesting Marine Corps essay on the LAW describes the ship as a specific effort to support expeditionary, island-hopping kinds of multi-domain attack operations. Corps weapons developers explain the LAW is intended to fill a critical maritime warfare capability gap between large, big-deck amphibs and smaller transport craft such as Landing Craft Utility vehicles or Ship-to-Shore Connectors.
With this in mind, an MPS system capable of traveling beneath a helicopter from an amphibious assault ship or LAW could introduce unprecedented mobile lethality for “stand-in” forces needing close-in attack and rapid ship-to-shore kinds of combat transitions.
“LAW is to be a low signature, beaching, shore-to-shore vessel with intra-theater endurance capable of operating independently or in collaboration with other surface ships, other LAWs, joint task forces, or coalition forces in contested environments in support of Distributed Maritime Operations, Littoral Operations in a Contested Environment/Expeditionary Advanced Base Operations across the competition-conflict spectrum,” the Marine Corps wrote and published in 2021.
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