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Trident II D5

Overview

L3Harris has supported the U.S. Navy's submarine-launched Fleet Ballistic Missile (FBM) program for more than 40 years with boost and post boost propulsion systems produced at its Gainesville and Orange County, Virginia, facilities. 

To date, the company has manufactured nearly 4,000 Post Boost Control System Gas Generator Units for the Trident I C4 and Trident II D5 programs, along with the Nose Fairing Jettison Motors and Third State Eject Motors.

Key Features

Strategic Systems image

August 31, 2016 - An unarmed Trident II D5 missile launches from the Ohio-class fleet ballistic-missile submarine USS Maryland (SSBN 738) off the coast of Florida. (Credit: U.S. Navy/John Kowalski)

Today, L3Harris continues its support on the Trident II D5 missile currently aboard USS OHIO-class submarines and baselined for the new Columbia class submarines. L3Harris is proud to be part of the FBM team that has a remarkable mission success track record. As the leader in emerging technologies to enhance capability and affordability, we are well-positioned to design, develop and produce the country’s next-generation FBM propulsion systems.

Resources

  • Premier Propulsion Provider for the U.S. Navy Data Sheet

    Premier Propulsion Provider for the U.S. Navy Data Sheet

Latest News

Nexus Background Stealth

Press release | 04. 29. 2026

L3Harris Announces Confidential Submission of Draft Registration Statement for Proposed Initial Public Offering of Missile Solutions Business

L3Harris Technologies today announced it has confidentially submitted a draft registration statement on Form S-1 with the U.S. Securities and Exchange Commission related to the proposed initial public offering of common stock in its Missile Solutions business.

Nexus Background Stealth

Press release | 04. 29. 2026

L3Harris Announces Confidential Submission of Draft Registration Statement for Proposed Initial Public Offering of Missile Solutions Business

Nexus Background Stealth

Press release | 04. 23. 2026

L3Harris Closes $1B Investment from Department of War in Missile Solutions Business

ATACMS missile fires from launcher

Press release | 04. 20. 2026

L3Harris Receives Rocket Motor Contract for US Long-Range Missile System

Virginia Gov. Abigail Spanberger, L3Harris VP Mark Farley, and state and local leaders make announcement

Press release | 04. 15. 2026

L3Harris Announces Billion Dollar Expansion to Boost Solid Rocket Motor Production in Orange County, Virginia

3D printed RL10 rocket engine combustion chambers shown in the manufacturing area at L3Harris’ facility in West Palm Beach, Florida.

Editorial | 04. 10. 2026

Accelerating Production of National Security Space Assets with Additive Manufacturing

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