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USS Lyndon B. Johnson (DDG-1002)


Guided-Missile Stealth Destroyer Warship


The upcoming USS Lyndon B. Johnson DDG-1002 advanced guided-missile stealth destroyer is named after the former U.S. President and represents the third of three Zumwalt-class warships.
Authored By: Staff Writer | Edited: 1/27/2019
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Specifications


Year: 2021
Status: Undergoing Trials
Ships-in-Class: 3
Named Ships: USS Zumwalt (DDG-1000); USS Michael Monsoor (DDG-1001); USS Lyndon B. Johnson (DDG-1002)
Roles: Amphibious Operations Support; Blue Water Operations; Fleet Support; Hunter; Direct-Attack;
Complement: 140
Length: 600 ft (182.88 m)
Width: 81 ft (24.69 m)
Height: 28 ft (8.53 m)
Displacement (Surface): 14,500 tons
Propulsion: 2 x Rolls-Royce Marine Trent-30 turbines with 2 x Auxiliary turbine generators and 2 x Advanced Induction Motors.
Speed (Surface): 30 kts (35 mph)
Operators: United States
USS Lyndon B. Johnson (DDG-1002) represents the third of the three-strong Zumwalt-class group of fighting surface ships planned for the United States Navy (USN). The vessels are categorized as destroyers and feature complete state-of-the-art fits in both systems and weaponry to showcase the most modern capabilities of the USN surface fleet. Stealth qualities have been built directly into the design along with modularity allowing the vessel to be progressively updated with more advanced systems as they become available.

The contract to build was given to Bath Iron Works on September 15th, 2011 and she remains under construction as of this writing (2015). The class' individual ship cost has kept it small - 32 vessels were originally envisioned by USN authorities.

The vessel displaces 14,565 tons and features a length of 600 feet, a beam of 80.7 feet and a draught of 27.5 feet. Power is from 2 x Rolls-Royce Marine Trent-30 gas turbines paired with 2 x Rolls-Royce RR4500 gas turbine generators driving a pair of shafts under stern at speeds over 30 knots. The standard crew complement is 140 personnel made up of officers and sailors. The ship's profile is futuristic to the core, with angle faces and limited protrusions to keep her as stealthy as possible and generate a low profile on the horizon. There is a stern flight deck that supports the launching and retrieval of up to 2 x Sikorsky SH-60 Seahawk LAMPS naval helicopters. The deck also supports general transport helicopters as well as up to three Northrop Grumman MQ-8 "Fire Scout" helicopter drones. Full service hangar facilities are also provided.

Her armament fit is led by 20 x Mk 57 series Vertical Launching Systems (VLSs) numbering eighty missile cells total. These launchers support the Tomahawk cruise missile as well as the Evolved Sea Sparrow line of medium-range surface-to-air missiles. In this way, the vessel can engage inland threats as well as incoming airborne threats with ease. A pair of turreted 155mm BAe Advanced Gun Systems (AGSs) headline her more conventionally-minded weaponry. Additional fire support is through 2 x Mk 46 Mod 2 Gun Weapon Systems (GWSs) (ATK Mk 44 "Bushmaster II" series).

Onboard systems include the AN/SPY-3 Multi-Functon Radar (MFR) and Volume Search Radar (VSR), these being X-band scanned array and S-band scanned array systems respectively.

DDG-1002 is a candidate for the electromagnetic "railgun" being developed for the USN. This weapon system relies on electromagnetic forces to propel the outgoing projectile at extremely high speeds (greater Mach 10) when compared to conventional kinetic energy-based naval guns in service today. The result is a more efficient and safe gun with greater range and lethality.

At one point, DDG-1002 was on the budgetary chopping block for the Defense Department. However, her construction was too far along to see the cancellation through.

DDG-1002 is named after former American President Lyndon B. Johnson (36th President of the United States).

Program Updates



January 2019 - The USS Lyndon B. Johnson is scheduled to be christened during April 2019.




Armament



80 x Vertical launchers for Tomahawk cruise, ESSM or standard surface-to-surface missile types.
Evolved Sea Sparrow Missile (ESSM) laucnhers
Tomahawk anti-submarine missile in vertical launching cell.
2 x 155mm AGS cannons
2 x Mk 110 57mm close-in anti-missile/anti-aircraft guns/ close-in weapon system (CIWS)

Air Wing



2 x Sikorsky SH-60 Seahawk LAMPS III helicopters OR 1 x Sikorsky MH-60R Seahawk helicopter.
3 x Northrop Grumman MQ-8 Fire Scout UAV helicopters.
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