L3Harris Secured $139 Million Navy Mast Contract
The U.S. Navy tapped L3Harris to supply advanced mast systems for its Virginia- and Columbia-class submarine fleets.
Updated on Sept. 21, 2026 in Military
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The U.S. Naval Sea Systems Command awarded a $139 million contract to L3Harris Technologies for the delivery of new Low-Profile Masts. These systems are slated for installation on Virginia- and Columbia-class submarines as part of ongoing modernization efforts.
Why it matters
The upgrade is designed to replace traditional hull-penetrating periscopes with advanced technology that maintains undersea fleet superiority. This investment reflects the Navy's commitment to long-term maritime dominance through enhanced surveillance capabilities.
The contract is valued at $139 million and focuses on the production of Type 20 and Type 24 Low-Profile Masts. These units feature telescoping arms equipped with high-definition visible and infrared imaging to provide 360-degree visibility.
The players
L3Harris Technologies
An aerospace and defense company that provides mission-critical solutions for government and commercial customers worldwide.
U.S. Naval Sea Systems Command
The agency responsible for the design, construction, and lifecycle management of the ships and combat systems of the United States Navy.
The details
L3Harris Technologies will serve as the prime contractor and design agent, overseeing engineering, development, and testing for the systems. The new masts eliminate the need for hull-penetrating periscopes, which improves the structural integrity and operational stealth of the vessels.
Timeline
The U.S. Navy awarded the contract to L3Harris on September 21, 2026.
Political Context
This investment aligns with broader legislative support for the Navy's undersea modernization efforts. Critics of such defense spending often argue that these large-scale contract awards divert necessary funding from other public infrastructure priorities.
The contract award does not immediately change individual tax rates or personal finances for the average citizen. However, the production of these systems in Northampton, Massachusetts, supports local defense industry employment and supply chain stability.
The takeaway
The move to non-penetrating mast systems signifies a permanent shift in how modern submarines conduct surveillance and maintain stealth. Taxpayers should note that while this contract boosts manufacturing output, it remains a component of multi-decade naval fleet maintenance.
Further reading
For broader insight into defense procurement and national security, visit the Military section.
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