Trident II D5 Missile

Manufacturer: Lockheed Martin
Category: Missiles & Precision Weapons
Add to Compare

Guidance System Inertial Navigation with Stellar Updates
Maximum Speed Mach 20+
Launch Compatibility Submarine (SLBM)
Warhead Technology MIRV Nuclear Warheads

Defense Systems Full Specifications

1. General Information

Name / Designation	Trident II D5
Type / Role	Submarine-Launched Ballistic Missile (SLBM)
Country of Origin	United States
Manufacturer	Lockheed Martin Space
Service Entry / Year Introduced	1990
Operational Status	Active

2. Performance & Range

Range	>7,400 km (Intercontinental)
Speed	Mach 20+
Ceiling / Altitude Limit	Exo-atmospheric ballistic trajectory
Accuracy (CEP)	~90 meters or better
Warhead Type	Nuclear (MIRV capable)

3. Guidance & Targeting

Guidance System	Inertial + Stellar Navigation
Targeting Mode	Pre-programmed ballistic targeting
Launch Platform Compatibility	Submarine
Seeker Type	None (ballistic guidance)

4. Physical Characteristics

Length	~13.4 m
Diameter	~2.11 m
Wingspan	N/A
Launch Weight	~59,000 kg
Propulsion	Three-stage solid rocket

5. Warhead & Payload

Warhead Weight	Multiple RVs (variable yield)
Explosive Type	Nuclear
Detonation Mechanism	Airburst / Surface Burst
Payload Options	MIRV nuclear warheads

6. Operational Use & Capabilities

Operational Range Type	Long Range
Deployment Platform	Submarine
Target Types	Strategic targets, cities, military infrastructure
Combat Proven	No (deterrence role)
Users / Operators	United States, United Kingdom

PROS

High accuracy for a strategic ballistic missile
MIRV capability enables multiple target engagement
Submarine launch ensures survivability and stealth
Proven reliability with extensive operational history
Continuous upgrades extend service life

CONS

Extremely high development and maintenance costs
Limited use to strategic nuclear roles only
Dependence on submarine fleet availability
Complex maintenance and handling requirements
Subject to arms control and treaty limitations

Trident II D5 Submarine-Launched Ballistic Missile

The Trident II D5 is a cornerstone of the United States’ sea-based nuclear deterrent, designed for launch from ballistic missile submarines. It provides survivable, second-strike capability, ensuring strategic stability in high-threat environments. Known for its precision and reliability, the missile supports Multiple Independently Targetable Reentry Vehicles (MIRVs), allowing a single launch to engage multiple targets across vast distances.

Manufacturer

Developed and produced by Lockheed Martin Space, the Trident II D5 entered service with the U.S. Navy in 1990. It is deployed aboard Ohio-class and newer Columbia-class submarines. The system has undergone continuous upgrades under life-extension programs to maintain operational effectiveness through the coming decades.

Speed and Range

The Trident II D5 is an intercontinental ballistic missile with a range exceeding 7,400 km, capable of reaching targets across continents. It travels at hypersonic speeds, estimated above Mach 20 during its midcourse phase. Its advanced inertial navigation system, enhanced with stellar guidance updates, ensures high accuracy with a circular error probable measured in tens of meters.

Cost/Price

The estimated unit cost of a Trident II D5 missile is approximately $30 to $40 million, depending on configuration and upgrade packages. Lifecycle and modernization costs significantly increase total program expenditure, reflecting its strategic importance.

- Advertisement -

Disclaimer Note

The information provided on TheDefenseWatch.com is for general informational purposes only. While we strive to ensure the accuracy, completeness, and timeliness of our content regarding defense and aerospace products, technologies, and specifications, we cannot guarantee that all information is 100% accurate or up-to-date due to the evolving nature of military technology and classified data.TheDefenseWatch.com does not warrant the reliability, suitability, or availability of the information for any specific purpose. Users are advised to consult official sources, such as manufacturers, government publications, or defense agencies, for precise and verified data before making decisions based on our content.We are not affiliated with any defense manufacturers, governments, or military organizations mentioned. Opinions, reviews, and ratings reflect expert analysis but are subjective and should not be considered endorsements. TheDefenseWatch.com is not responsible for any errors, omissions, or consequences arising from the use of this website’s content.External links are provided for convenience and do not imply endorsement. TheDefenseWatch.com reserves the right to update or modify content without prior notice. By using this website, you agree to our Privacy & Cookies Policy.