In a significant boost to U.S. and allied air and missile defense capabilities, the Pentagon has announced a landmark agreement with Lockheed Martin and Boeing to dramatically increase production of PAC-3 MSE seekers and interceptors.

The deal aims to more than triple annual production capacity of the advanced PAC-3 Missile Segment Enhancement (MSE) system — a critical component of the Patriot air defense system — responding to surging global demand amid rising geopolitical tensions.

What is the PAC-3 MSE and Why Does It Matter?

The PAC-3 MSE is the most advanced variant of the Patriot Advanced Capability-3 missile. It features enhanced hit-to-kill technology, improved range, and superior ability to defeat sophisticated threats, including ballistic missiles, cruise missiles, and aircraft.

Lockheed Martin serves as the prime contractor for the PAC-3 MSE interceptor, while Boeing produces the high-tech Ka-band seekers — the “eyes” of the missile that enable precise targeting.

This new framework agreement builds on Boeing’s earlier $2.7 billion multiyear contract (awarded in October 2025) for seeker production and Lockheed Martin’s ongoing efforts to scale manufacturing.

Why the Urgent Need for More PAC-3 MSE Missiles?

Global demand for advanced missile defense has skyrocketed due to conflicts in Europe, the Middle East, and growing concerns in the Indo-Pacific region. Many U.S. allies, including NATO members, have placed large orders for Patriot systems equipped with PAC-3 MSE interceptors.

The expanded production will help replenish U.S. stockpiles while ensuring allies can strengthen their defenses against ballistic and hypersonic threats.

Boeing’s role in scaling seeker production is particularly important, as seekers are a complex and high-value subsystem. The company has delivered thousands of PAC-3 seekers to the U.S. Army over the past two decades and is now positioned to support the massive surge.