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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

A Medium Range Ballistic Missile with a Hypersonic Target Vehicle

Editorial | 10. 06. 2025

L3Harris Delivers Operational Realism for Missile Defense

To ensure these critical systems — and those systems yet to be developed — work every time, we must have a robust testing infrastructure, writes Scott Alexander, President of Missile Solutions, Aerojet Rocketdyne, L3Harris, in Defense News.

A Medium Range Ballistic Missile with a Hypersonic Target Vehicle

Editorial | 10. 06. 2025

L3Harris Delivers Operational Realism for Missile Defense

A solid rocket motor test fires at a facility

Editorial | 09. 18. 2025

L3Harris Scales Up Rocket Motor Testing at Camden Site

Soldier fires a Javelin missile

Press release | 09. 15. 2025

L3Harris Receives Multi-Year Javelin Solid Rocket Motor Contract

VAMPIRE live fire demonstration

Editorial | 08. 29. 2025

L3Harris Launches Counter-Unmanned Systems Initiative

Exterior shot of building in Huntsville, Alabama

Press release | 08. 04. 2025

L3Harris Expanding Huntsville Solid Rocket Motor Facility, Poised for Further Growth

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