NationStates Jolt Archive


Portable ABM system

Samtonia
06-09-2004, 03:55
STHAAD THEATRE HIGH ALTITUDE AREA DEFENSE MISSILE SYSTEM
The STHAAD (Samtonian Theatre High Altitude Area Defense) missile system is an easily transportable defensive weapon system to protect against hostile incoming threats such as tactical and theatre ballistic missiles at ranges of 200km and at altitudes up to 150km.

The STHAAD system provides the upper tier of a "layered defensive shield" to protect high value strategic or tactical sites such as airfields or populations centers. The STHAAD missile intercepts exo-atmospheric and endo-atmospheric threats. The sites would also be protected with lower and medium tier defensive shield systems such as the American Patriot PAC-3 which intercepts hostile incoming missiles at 20 to 100 times lower altitudes.

STHAAD BATTERY
The STHAAD battery will typically operate nine launch vehicles each carrying eight missiles, with two mobile tactical operations centers (TOCs) and a ground-based radar (GBR).

STHAAD MISSILE INFORMATION
The target object data and the predicted intercept point are downloaded to the missile prior to launch. The updated target and intercept data are also transmitted to the missile in flight.

The missile is 6.17m in length and is equipped with a single stage solid fuel rocket motor with thrust vectoring. The rocket motor is supplied by Chemical Systems Division of Samtonia Engineering. The launch weight is 900kg.

A separation motor is installed at the interstage at the forward end of the booster section. The separation motor assists in the separation of the kinetic kill vehicle (KKV) and the spent boost motor.

The shroud separates from the KV before impact. The KV is equipped with a liquid Divert and Attitude Control System (DACS) for the terminal maneuvering towards the target intercept point. A gimbal-mounted infrared seeker module in the nose section provides terminal homing to close in on the target missile in the terminal phase of approach.

During the initial fly-out phase of flight, the seeker window is covered with a two-piece clamshell protection shroud. Metal bladders installed in the shroud are inflated to eject the protective shroud before the seeker initiates target acquisition. The infrared seeker head is an indium antimonide (InSb) staring focal plane array operating in the mid infrared 3 to 5 micron wavelength band.

S1075 TRUCK MOUNTED LAUNCHER
There are nine S1075 truck mounted launchers in a typical THAAD battery. Launch vehicle is a modified Carson Truck Corporation Heavy Expanded Mobility Tactical Truck with Load Handling System (HEMTT-LHS). The 12m long by 3.25m wide launch vehicle carries ten missile launch containers. While on the launcher, lead acid batteries provide the primary power. The batteries are recharged with a low noise generator.

After firing, reloading the launch vehicle takes 30 minutes.

GROUND BASED RADAR
The cueing for the STHAAD system is provided by the Samtonian Military Hardware Systems Ground Based Radar (GBR) for surveillance, threat classification and threat identification. THAAD can also be cued by military surveillance satellites.

The ground based radar units are C-130 air transportable. The radar has the capability to acquire missile threats at ranges up to 1,000km.

TACTICAL OPERATIONS CENTER
Each STHAAD battery has two tactical operations centers (TOC). The TOC accommodates two operator stations and is equipped with three Samtonian Engineering HP-456 data processors.

MOBILE BMC3I UNITS
The THAAD system is able to "hand over" targets to other defense systems and can cue the targets to other weapons. STHAAD is able to interface to other US or allied air defense data information networks and to the battle management and command control and communications center.

Samtonian military Hardware Systems has developed the STHAAD BMC3I. The Battle Management and Command, Control, Computers and Intelligence (BMC3I) units are installed in hardened shelters mounted on High Mobility Multi-Wheeled Vehicles (HMMWVs).

The STHAAD communications system can use JTIDS, Mobile Subscriber Equipment, SINCGARS and the Joint Tactical Terminal for voice and data communications and for intelligence data transfer.


STHAAD THEATRE HIGH ALTITUDE AREA DEFENSE MISSILE SYSTEM - SPECIFICATION
Missiles
Length: 6.17m
Propulsion unit diameter: 0.34m
Kill vehicle diameter: 0.37m
Launch weight: 900kg
Velocity: 2,800m/s
Range: More than 400km
Maximum altitude of intercept: 350km
Single shot kill probability: 0.9

Launcher
S1075 truck mounted launchers per battery: 9
Length launch vehicle: 12m
Height launch vehicle: 3.25m
Weight launch vehicle, fully loaded: 40,000kg
Missile container launchers per truck: 10

Radar
Range: 1,000km
Frequency: I and J-band
Transmit/receive modules: 25,344
Phased array aperture: 9.2m²

http://img90.exs.cx/img90/1663/STHAAD.jpg
STHAAD deployed and ready
http://img90.exs.cx/img90/8117/ABSsystem.jpg
STHAAD launcher in action
Samtonia
07-09-2004, 03:09
OOC- BUMP. Any feedback for this?
Peace and Terror
07-09-2004, 05:14
Very nice, lots of detail. I think the kill probability may be a little optimistic against modern or NS-designed missiles.

Have you considered including some sort of backup radar capability (like you have the dual TOCs)? A lucky hit by an ARM would render 72 missiles useless.