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Trident II  
Initial Operational Capability (IOC): 1990
Total Production: 625
Unitary Cost: USD$72 million
Total Cost: USD$41 billion
Also Known As: D-5 and UGM-133A
Origin: United States of America
Corporations: Lockheed Martin
Parent System: Trident
Initial Operational Capability (IOC): 1979
Total Production: 824
Family Members: Trident I
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Description: The D-5 Trident II is a submarine-launched, inertial-guided, intercontinental ballistic missile designed to be an integral part of the American nuclear deterrent aboard Ohio-class submarines. It was first deployed in 1990 and 10 Ohio-class submarines were armed with this missile. The Trident II features greater payload and is more sophisticated than Trident I.

The D-5 Trident II, also known as UGM-133A, is a three-stage solid fuel ballistic missile armed with up to 14 nuclear warheads called Multiple Independently targetable Re-entry Vehicle (MIRV). Each MIRV can be assigned to different targets within the impact area covered by the ballistic missile that usually is measured in hundreds of kilometers.

The Trident II was installed in the last 10 Ohio-class submarines commissioned by the US Navy. The Trident II missile could be installed in another four Ohio-class boats and there are plans to keep this submarine-launched ballistic missile in active service with the fleet until 2042.

As of June 2005, Trident II program was valued at $36.9 billion for the US Navy which had commitments on 561 ballistic missiles.

Trident II Applications

Fighting Ships Columbia SSBN 726 Ohio Successor Vanguard

Trident II Specifications

Number of Stages: 3
Number of Warheads: 14
Diameter: 2.11 meter (83 inch)
Length: 13.4 meter (528 inch)
Max Range: 7,400 kilometer (3,996 nautical mile)
Weight: 58,968 kilogram (130,000 pound)
Yield: 3,800 kiloton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Trident II News

There are 26 news between
12 Jul 2005 and 13 Sep 2016
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Tuesday, September 13, 2016Trident II D5 Missile Scores 161th Successful Launch
Monday, February 23, 2015US Navy Conducts 155th Successful Trident II D5 Missile Test Flight
Wednesday, June 4, 2014US Navy's Trident II D5 Missile Reaches 150 Successful Test Flights
Tuesday, April 8, 2014United States of America Announces Strategic Force Structure by 2018
Tuesday, September 24, 2013Trident II D5 Missile Achieves a Total of 148 Successful Test Flights
Thursday, May 31, 2012Trident II Reaches 142th Successful Test Flight
Wednesday, March 14, 2012US Navy's Trident II D5 Missile Achieves 137th Successful Test Flight
Wednesday, June 29, 2011UK Begins Reduction of Warheads Onboard its Vanguard-Class Strategic Submarines
Friday, February 4, 2011Ohio-class Submarine Replacement Program to Enter Technology Development Phase
Tuesday, June 15, 2010US Navy's Ohio-Class Submarine Successfully Launches Multiple Ballistic Missiles

Operators & Related Equipment

United States of America561
2018240plus 40 missiles to support tests
Apr 2014336

Grand Total 6252
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