NORTHAMPTON, Mass. — L3Harris Technologies has received a $139 million award from the U.S. Naval Sea Systems Command for the continued delivery of Low-Profile Masts (LPM) for Virginia- and Columbia-class submarines.

LPMs replace traditional hull-penetrating periscopes with telescoping arms equipped with high-definition visible and infrared imaging, providing 360-degree visibility and enhanced optical and sensor capabilities for the Navy’s nuclear submarine fleet.

“Delivering decisive undersea superiority capabilities to our sailors is at the core of everything we do, and this follow-on award is a testament to that proven commitment,” said Nino DiCosmo, President, Maritime, Space & Mission Systems, L3Harris. “The LPM represents a critical leap forward in submarine stealth and situational awareness, ensuring our fleet maintains superiority beneath the waves for decades to come.”

The award expands L3Harris’ role as a leading provider of submarine solutions and supports the Navy’s broader undersea modernization efforts. L3Harris will provide engineering support for the LPM Type 20 and Type 24 systems to the U.S. Navy, as the prime contractor and design agent for LPM, including design and testing through fleet delivery.

From L3Harris Technologies, Sep 21, 2026