IRIA News

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The U.S. Army has awarded Raytheon a $1.7 billion contract to build a new missile defense sensor designed to replace the aging radar of the Patriot system. The deal, announced on August 28, 2025, represents a major step in the Army’s long-term effort to modernize its air and missile defense capabilities.

The latest award is a modification of an existing contract, enabling Raytheon to proceed with low-rate production of the Lower Tier Air and Missile Defense Sensor (LTAMDS). With this addition, the overall contract value has reached $3.8 billion. According to the Pentagon, the estimated completion date for this stage of production is the end of 2029.

The funding package behind the award includes $435.7 million from fiscal year 2025 Army missile procurement accounts and another $397 million from foreign military sales funds provided by Poland. Both amounts were obligated at the time of the contract signing.

Under the plan, the Army’s first low-rate production batch will include approximately 10 radars. Over the course of the program, the service intends to produce a total of 94 radars for its own needs. At the same time, Raytheon will construct 12 radars for Poland, marking the country’s first foreign customer of the system.

“This contract highlights the need for LTAMDS amid increasingly complex and large raid threat tactics and underscores the U.S. Army’s confidence in the system’s advanced 360-degree integrated air and missile defense capability,” said Tom Laliberty, president of land and air defense systems at Raytheon.

“After achieving Milestone C earlier this year, Raytheon continues to ramp up production to meet the fast-growing demand from the U.S. Army and international partners,” Laliberty added.

Army modernization effort

The Army approved LTAMDS for low-rate production in April 2025. The decision marked a turning point in an effort that has stretched over 15 years, aimed at finding a successor to the Patriot system’s radar.

Originally, the Army pursued a competition for a full replacement of the Patriot air and missile defense system. However, the plan was later canceled, and the service decided to focus on developing two core elements separately: a new command-and-control system and a modern radar.

The LTAMDS radar now represents one of the most important components of the Army’s Integrated Air and Missile Defense system. It will work in conjunction with the Integrated Battle Command System, which has already been deployed as the centerpiece of the Army’s command-and-control modernization.

Production timeline and challenges

Raytheon received its first contract in 2019 to deliver LTAMDS prototypes over five years. Building the radar under such an ambitious schedule was described as one of the toughest challenges for the program. To make sure the system was fully mature and reliable, the Army extended the testing phase by an additional year.

The LTAMDS went through an extensive series of trials, including eight major missile flight tests. It also logged nearly 10,000 hours of evaluations covering radiated time, radar tracking performance, and resilience in harsh environments, including wind, rain, and dust storms. Road march tests were also conducted, during which soldiers stressed the system to gauge durability under field conditions.

According to Army officials, the current production timeline for an LTAMDS radar is roughly 40 months. To meet operational requirements, the service is working with Raytheon to cut that time down to 36 months, which has been set as the program’s official goal.

To accelerate production, the Army has also brought in a consulting firm specializing in supply chain management. This effort is aimed at resolving bottlenecks in materials and parts procurement that could delay deliveries. The challenge is considered significant, given the system’s size, complexity, and reliance on high-tech components.

Operational testing and forward deployment

The Army has scheduled the LTAMDS initial operational test and evaluation for the fourth quarter of fiscal year 2026. In the meantime, the service has already begun deploying early versions of the system for real-world evaluation.

One of the first deployments occurred in Guam, a strategically important U.S. territory in the Pacific. The system arrived on the island last month and is now being assessed under field conditions. Guam is considered a critical testing ground because of its exposure to potential threats in the Indo-Pacific region, making it an ideal location for evaluating air and missile defense systems.

Poland as first foreign customer

Poland’s decision to become the first foreign buyer of LTAMDS underscores the radar’s international appeal. Warsaw has already committed funds through foreign military sales, with 12 radars expected to be delivered. The purchase aligns with Poland’s broader efforts to enhance its air defense capabilities, particularly considering security concerns stemming from Russia’s actions in Eastern Europe.

The cooperation with Poland also highlights the growing role of allied nations in U.S. defense procurement programs. By integrating LTAMDS into its defense structure, Poland will become the first NATO ally to field the system, setting a precedent for other countries that may be interested in upgrading their own missile defense radars.

From Patriot to LTAMDS

The Patriot system has been in service for decades, playing a central role in U.S. and allied air and missile defense since the onset of the Cold War. While it has been upgraded multiple times, the radar technology has increasingly struggled to keep pace with modern threats, such as hypersonic missiles, swarming drone tactics, and complex ballistic missile raids.

The LTAMDS aims to address these gaps with advanced 360-degree coverage and higher sensitivity. Unlike the Patriot radar, which has a limited field of view, LTAMDS is designed to track multiple targets from all directions simultaneously. This capability is expected to be critical in countering modern missile threats that approach from unconventional angles.

The Army’s partnership with Raytheon on LTAMDS is part of a broader modernization push across the service. In addition to radar and command systems, the Army is investing heavily in next-generation interceptors, hypersonic weapons, and advanced battle networks.

With low-rate production underway and operational testing scheduled in the next two years, LTAMDS is on track to replace the Patriot radar as the Army’s primary missile defense sensor. The system’s deployment to Guam and eventual integration into Poland’s defense architecture signal its importance not only for U.S. forces but also for allied defense networks.

If production targets are met and supply chain challenges resolved, the Army expects LTAMDS to be fully operational before the end of the decade. Officials see the program as a cornerstone of the U.S. military’s ability to counter rapidly evolving air and missile threats in multiple theaters around the world.