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40px-Terminal.png This article, Thunderstorm Close-in Weapon System, was written by Ajax 013 and SPARTAN 119. Please do not edit this fiction without the writers' permission.
"Nowhere to hide. Nowhere"
―Captain Harold Volero

Thunderstorm Close-in Weapon System
Production information

Missile Launcher

Technical specifications
Magazine Size


Ammunition Type





Necros War




The Thunderstorm Close-in Weapon System is a point defence weapon for warships to defend against fighter craft. The weapon utilises RIM-13 THORN point defence missiles.


The Thunderstorm CIWS is to provide capital ships with a long range fighter defence. Whereas the optical range of the Firestorm is short and limits its use, the Thunderstorm can reach further out fighter constellations. While the Firestorm can usually only engage enemies that have usually unleashed their payload, the Thunderstorm can engage them before they even gain formation. The Thunderstorm is used in one of three ways, either using direct fire, using the ships onboard LIDAR, millimeter wave RADAR and thermal imaging to target and prioritize targets and fire directly upon them, fire upon units hiding with asteroid cover, smoke screens or gaseous clouds that can effect the effectiveness of the Firestorm and use the missiles as traps. They are virtually invisible when cruising or stationary, allowing them to spring into action. They can ambush enemy ships at a close range, eliminating them before their defences come on.


The ADIS prioritizes and targets incoming fighters and fires RIM-13 THORN missiles, relying on its dual optical and active RADAR to home in and its stealth to ensure impact. The missile can be set to 'ambush' after a short distance. This can be done on order of the weapons officer or AI to create a 'active minefield' partially or fully around the vessel.

UNSC Comments

"I looked our the port camera and saw it happen. There was nothing firing on the bomber wing as they closed then suddenly, THWOOM! About a dozen missiles blow it to smithereens!"

"The missile isn't self sufficient like the Archer. It has to constantly recieve information from the ship, so if they go out of range, they are useless."

"The missile is fast enough and stealthy enough to duck under Necros defence storms. They only pick them up about four milliseconds before impact, rending them ineffective."

Equipment of the UNSC

Armour Systems

M4A2 Body Armour | M6B SOBA | M7 OGRe | M19 HazOp Armour | M26 Explosive Ordnance Disposal Armour | MJOLNIR Mk. VII | SPI Mk. III | M37 Pressure Suit | M11 Stealth Suit | Advanced Combat Engagement System | ARES | Infantry Shield Grading | Infantry Body Armour | Nanotech Polymers | Bio-Tech Force Enhancement | AEGIS | AURA Module

Camouflage Technology

Active Camouflage field | Camouflage Cloak Mark II | DU-35 Optical Camouflage | Active camo Tech | ECM Technology | 2606 Thermal Optical Camouflage

Warship Technology

Capital Ship Shield Grading | Shaw-Fujikawa Model 52 | Plasma Fusion Drive | Firestorm CIWS | Windstorm CIWS | Thunderstorm CIWS | Decoy Launcher | AN/SLQ-1011 PAVE FAITH | Slipspace Scrambler Installation | Ship Armour Plating | Ship Boring Umbilical Laser | High Orbit Precision Entry | Starcraft Weaponry (Necros)

Spacecraft Technology

Starcraft Shield Grading | Spacecraft armour | DECEPTION | Area Defence and Interception System | X-13 Series | SUBTERFUGE


TERRA Ion Satellite | LUNA Laser Satellite | SOL Laser Satellite | COMET Directed EMP Satellite | METEOR Kinetic Bombardment Weapon | ASTEROID Kinetic Bombardment Weapon | HELIOS Satellite

Aircraft Technology

BELLIGERENT | Gunpod Technology | Hardpoint Systems | X-13 Series | SUBTERFUGE

Ground Vehicle Technology

M980 WAO/AM DW | CARAPACE DAPS | Armour technology | ADIS System | REBOUND | NOCTURNAL | BLINDER | Artillery Fire Control System | PALADIN Weapon Station | NEMESIS | AN/VLQ-1010 PAVE HOPE

Stationary Weapons

Mk, 2588 Trebuchet MAC | M388B Hecatoncheires ADS | M389A Briareos ADS | M8A2 Wolf Spider ADS | Longbow Missile silo

Mobile Equipment/Weapons

Shortbow Missile Trailer | MOLE

Infantry Equipment

Ghost | Defuser | DV-4 Energy Shield | DV-5 Energy Shield | SL-4 Beacon | Misriah Rails | Radio Pack | Communication Pack | Battle Dress Utilities | Battle Equipment Utilities | AC4 Helmet Mounted Display | AC5 Heads Up Display | M-1126 Explosives Installation Tool | ABC Scrambler | Electronic Engagement System | Cybernetic Attack System | PAVE ROOK Sensor | SPHINX System | G-Pack | M35 Beacon

Mobile Equipment

B-68 Command Post | Type-D Resupply Canister

Medical Technology

Elixia | Biofoam | Defibrillator | Adrenal Booster | MethAmp | Reflex Enhancer | K-Boost

Other Technology

War Net | Artificial Intelligence (Necros) | LAIRD | RATS | Liquid State Electronics | EXCALIBUR | Pyrosene-VI