IBCS for the UK? Northrop partners with Marshall Land Systems

Northrop Grumman announced an MoU with the UK’s Marshall Land Systems on the 5th June, which indicates the companies are planning to offer the Integrated Battle Command System (IBCS) to meet the UK’s ground based air defence (GBAD) requirements.

Specifically, the press release, which is quite brief, states: 

“Northrop Grumman and Marshall Land Systems intend to work together in support of the U.K.’s Ground Based Air Defence (GBAD) program for medium- and short-range air defense. Northrop Grumman’s leadership in air and missile defense command-and-control systems will be integrated with Marshall Land Systems versatile containerized storage and shelter solutions.”

The British MoD has already explored the capabilities of the IBCS under a concept study that was announced in September 2024. The case studies were expected to explore the “feasibility of the Integrated Battle Command System (IBCS) and Forward Area Air Defence (FAAD) C2 systems and their suitability as potential short and medium-range air defence (SHORAD/MRAD) C2 solutions.” Work was expected to start in October and last for six months, indicating delivery in March 2025. 

A focus of that work appears to have been around the interoperability and safety requirements of the two systems, which meant that only Northrop Grumman through its UK entity could answer the questions set out by the British MoD. 

The company has also supported a paper from the Royal United Services Institute, which focused on the command and control requirements for the UK’s air defence, stating, “Our Integrated Battle Command System aligns with the need for an effective IAMD (integrated air and missile defence) strategy as outlined in RUSI’s report,” in an April 2024 post on LinkedIn. 

The UK GBAD requirements include all of the elements of a layered air defence network as confirmed by Secretary of State, Maria Eagle, in an April 2025 statement. The medium range air defence solution is expected to enter service in 2026, including “two Surface-to-Air Missile Operations Centres, and two enhanced Wireless Enabled Network sets.” This is likely where the IBCS would fit into a UK layered IAMD network. 

However, a lot will depend on the way that the UK equips its air force, as well as the number of Sky Sabre medium range air defence systems that it procures. Fortunately, much of the Royal Navy is, or will be, equipped with the Common Anti-air Modular Missile, which is also fired by Sky Sabre. This will simplify the UK’s air defence missile procurement and hopefully provide economies of scale. However, the number of air defence systems available means that the UK can only cover so much of its airspace and the F-35B and Typhoon fleets are considered critical for the UK’s IAMD, as noted in the recent Strategic Defence Review.

IAMD, a non-discretionary capability

There are two potential scenarios to consider for the UK and IAMD: The first is homeland defence, in which case the RAF, Navy, and Army would work together to try and deflect a massed Russian air strike against critical national infrastructure. Integration across services in real time would be key. 

The other is a forward-deployed force, which can expect to face ballistic missiles, glide-bombs deployed by close air support aircraft, and large one-way attack drones in the event of a war with Russia. In that scenario, the RAF and Navy would likely be busy with other things, and unable to support the Army. This would mean integration with partners, and within the Army would be key.

Integration across services and partners, such as that offered by IBCS, would be key to success – or surviving – in both scenarios. The UK has already indicated that it will cooperate with Germany on interoperability and air defence under the Trinity House Agreement, and Poland is an IBCS user. This means that the system may meaningfully increase the UK’s layered air defence capabilities for deployed forces. Furthermore, a coordinated response between the Navy, RAF, and Army using a system like IBCS in the event of homeland defence would be very valuable – and could even have a lot of benefit in situations like Iran’s missile attacks against Israel. This is because IBCS enables targeting data collected by one sensor to be passed to the missile system of another. This could mean something like the Sampson radar on a Type 45, could pass target data to a Sky Sabre launcher, for example. 

It is, however, worth noting that Lockheed Martin UK has developed a similar system called Sky Keeper. Sky Keeper enables the command and control of air defences across services but also integrates sensors and effectors like long-range MLRS missiles into its network, enabling return strikes against identified air defence systems for example. It builds upon the company’s Land Environment Air Picture Provision (LEAPP), which is already in service with the British Army. It provides a recognised air picture for the land domain, the company states, and can be integrated into the UK’s digital backbone. 

Calibre comment

“Made in the UK” is a driving and powerful requirement for much of what the British MoD is procuring and it is difficult to understate the extent to which this approach can shape procurement decisions. This is likely to apply to the command and control systems for the GBAD requirements, too. So, the merits of the Northrop Grumman IBCS will likely be assessed against the ability of the US company to establish a UK production base for as much of the solution as possible. 

By Sam Cranny-Evans, published on 12th June, 2025. The lead photo shows Sky Sabre on display during PROJECT HERMOD 2, an event for the UK’s intelligence community and House of Commons Defence Select Committee. Credit: Corporal Adam J Wakefield, RLC/UK MOD © Crown copyright 2023