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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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

Nexus Background Stealth

Editorial | 07. 01. 2026

L3Harris Test Marks Step Forward on Next-Generation Ramjet Propulsion

Successful testing demonstrated a full-scale, flight-like solid fuel ramjet fuel propulsion system focused on affordability, speed, manufacturability and mission effectiveness.

Nexus Background Stealth

Editorial | 07. 01. 2026

L3Harris Test Marks Step Forward on Next-Generation Ramjet Propulsion

Construction crews continue work on expanding a facility in Arkansas

Press release | 06. 24. 2026

L3Harris Plans Arkansas Facility Expansion for PAC-3 Propulsion Production

pilot in cockpit with missile out the window

Press release | 06. 03. 2026

L3Harris Receives Contract to Deliver Proximity Fuzes

L3Harris successfully tested a potential propulsion solution for the U.S. Army’s PrSM Increment 4 program

Press release | 06. 03. 2026

L3Harris Successfully Tests Advanced Propulsion System

L3Harris employees at the Advanced Manufacturing Facility-South in Huntsville, Alabama

Press release | 06. 01. 2026

L3Harris Continues Expansion of Solid Rocket Motor Facilities in Huntsville

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