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

PAC-3 fires from launcher

Editorial | 10. 13. 2026

America Can’t Afford to Slow Its Defense Buildup

As the nation’s leading provider of solid rocket motors for U.S. and allied munitions, L3Harris is committed to supporting the warfighter and the mission, writes Ken Bedingfield, President, Missile Solutions, in Defense One.

PAC-3 fires from launcher

Editorial | 10. 13. 2026

America Can’t Afford to Slow Its Defense Buildup

Companies that can anticipate that need, and have capable, adaptable technology ready when it arrives, will be better positioned to help the warfighter stay ahead. For L3Harris, that capability is being built now.

Editorial | 10. 13. 2026

From Requirement-Driven to Market-Ready: Rethinking How Defense Technology Reaches the Warfighter

GMLRS fires from launcher

Press release | 10. 12. 2026

L3Harris Awarded Solid Rocket Motor Contract with Record Production

Greg Burns, Director of Operations, L3Harris Canoga Park Site (L) and Pat O’Kelley, L3Harris Canoga Park Site Lead (R), discuss expansion plans.

Editorial | 10. 08. 2026

L3Harris Expanding Los Angeles Site to Increase Capacity for Precision Liquid Propulsion

Construction progresses at L3Harris’ Arkansas Advanced Propulsion Facilities in Camden, Arkansas.

Editorial | 10. 01. 2026

Arkansas Advanced Propulsion Facilities Build-Out Accelerates

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