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

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August 31, 2016 - An unarmed Trident II D5 mis...

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.

Image Gallery

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Strategic Systems Image 2
June 2, 2014 - A trident II D-5 ballistic miss...
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August 31, 2016 - An unarmed Trident II D5 mis...
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November 7, 2015 - A trident II D-5 ballistic ...

Resources

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

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

Latest News

An F-16 Fighting Falcon with the Minnesota National Guard soars through the air above Duluth, Minn.

Press release | 09. 14. 2026

L3Harris Advances Production of Proximity Sensors for US Air Force

L3Harris Technologies has received a contract from the U.S. Air Force, valued at approximately $60 million, to continue production of its DSU-43/B Cockpit Selectable Height of Burst Sensors (C-HOBS).

An F-16 Fighting Falcon with the Minnesota National Guard soars through the air above Duluth, Minn.

Press release | 09. 14. 2026

L3Harris Advances Production of Proximity Sensors for US Air Force

PAC-3 fires from launcher

Press release | 09. 08. 2026

L3Harris Receives Landmark PAC‑3 MSE Propulsion Contract to Power America’s Arsenal of Freedom

solid fueled ramjet propulsion test

Editorial | 08. 25. 2026

L3Harris Advances Solid-Fueled Ramjet Propulsion for Greater Reach and Faster Effects

engine hot-fire tests

Press release | 08. 10. 2026

L3Harris Conducts Successful Hot-Fire Test in Major Milestone for Next Generation Interceptor Program

Secretary of War Pete Hegseth visited L3Harris’ PAC-3 propulsion facility

Press release | 07. 27. 2026

L3Harris Signs Transformational Agreement to Drastically Increase Production for PAC-3 MSE

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