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

Metal shell construction underway at the Arkansas Advanced Propulsion Facilities campus.

Editorial | 10. 01. 2026

Arkansas Advanced Propulsion Facilities Build-Out Accelerates

The Arkansas Advanced Propulsion Facilities expansion is accelerating with major construction milestones completed. The campus is on track to open in late 2027.

Metal shell construction underway at the Arkansas Advanced Propulsion Facilities campus.

Editorial | 10. 01. 2026

Arkansas Advanced Propulsion Facilities Build-Out Accelerates

THAAD missile fires from launcher

Press release | 09. 29. 2026

L3Harris Receives THAAD Propulsion Contract Valued at $6 Billion

A jet flies through the air and a missile launches from a ground launcher

Editorial | 09. 24. 2026

The Battle Isn’t Binary: Pairing Low Cost Munitions with High End Punch

Tomahawk® cruise missile

Press release | 09. 21. 2026

L3Harris Partners with Naval Air Warfare Center to Increase Tomahawk Production

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

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