Marine Corps Systems Command has awarded Northrop Grumman a basic ordering agreement valued at up to $697 million for sustainment engineering and logistics support of the Ground/Air Task Oriented Radar system — known as G/ATOR — along with related expeditionary radar programs. The agreement, structured as a combination of firm-fixed-price and cost-plus-fixed-fee task orders, runs through May 14, 2031. Northrop Grumman, headquartered in Falls Church, Virginia, is the original developer and manufacturer of G/ATOR, making it the sole source capable of providing the full scope of radar sustainment work required.
G/ATOR is a ground-based, three-dimensional radar system purpose-built for Marine Corps expeditionary operations. It is designed to detect and track a wide range of aerial threats that have become increasingly prominent on modern battlefields — including unmanned aircraft systems, cruise missiles, and indirect fire such as rockets, artillery, and mortar rounds. The system's ability to handle all three threat categories in a single sensor makes it particularly valuable for distributed Marine Corps operations where carrying multiple specialized radars is not practical. The new sustainment agreement ensures that G/ATOR systems already fielded with Marine units remain operational and mission-ready through the early 2030s.
Program Background and Scope
G/ATOR entered Marine Corps service after years of development by Northrop Grumman and has progressively taken on more roles as the Corps has updated its force design. The radar system supports both air defense and ground-fire detection missions from the same hardware, reducing the logistics footprint that Marine units must carry into expeditionary environments. Sustainment of a radar system at this level of complexity involves far more than simple repairs — it encompasses engineering support to address obsolescence as components age out of production, logistics management to keep spare parts flowing to units deployed globally, and software updates to maintain detection and tracking performance against evolving threat signatures.
The basic ordering agreement structure means Marine Corps Systems Command can issue individual task orders as specific sustainment needs arise, rather than committing to a fixed scope of work upfront. This approach is common for sustainment programs where the volume and nature of work fluctuates with operational tempo and fielded system health. Both firm-fixed-price and cost-plus-fixed-fee task order types are available under the agreement, giving the contracting office flexibility to match pricing structures to the risk profile of each specific requirement. Fixed-price orders are appropriate for well-defined, repetitive sustainment tasks; cost-plus orders cover engineering work where the scope cannot be fully defined in advance. Marine Corps Systems Command, based at Quantico, Virginia, administers the agreement.
What It Means for Contractors
For most small and mid-sized contractors, a sole-source sustainment agreement of this kind is a reminder of how formidable incumbency can be in defense hardware programs. Northrop Grumman built G/ATOR, holds the technical data rights, and maintains the engineering expertise needed to sustain it. That position is nearly impossible to challenge directly. However, the sustainment ecosystem around a major radar system creates subcontracting opportunities that do flow to smaller firms — in areas like component repair, logistics management, technical writing, and training support.
Contractors interested in participating in G/ATOR sustainment work should reach out to Northrop Grumman's supply chain and subcontracting offices. Large prime contractors on programs of this value are subject to small business subcontracting plan requirements, meaning Northrop Grumman must set targets for small business participation and report on performance against those targets. Firms with relevant radar electronics, logistics, or engineering credentials should position themselves as subcontractor candidates before individual task orders are issued.
More broadly, this agreement reflects the Marine Corps' sustained investment in expeditionary sensing capability. The Corps has been refining its force design around distributed, expeditionary operations — and radar systems that can detect drones, cruise missiles, and artillery from a small ground footprint are central to that concept. Sustainment spending on G/ATOR through 2031 signals that the system will remain a core Marine Corps capability for years to come, and that the industrial base supporting it will continue receiving work. Contractors in the radar sustainment and electronic warfare support spaces should monitor Marine Corps Systems Command procurement activity for future competitive opportunities as this agreement matures.
