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YMF-X000A Dreadnought Gundam

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YMF-X000A Dreadnought Gundam

Dreadnaught Gundam Front View

Dreadnaught Gundam Rear View

Dreadnaught Gundam DRAGOON Front View 2

Dreadnaught Gundam DRAGOON Rear View

Unit Type

Prototype DRAGOON-Use Mobile Suit




Model Number
  • YMF-X000A
Developed from
Developed into
First Seen
Last Seen
Known Pilots

General Characteristics

Overall Height
  • 18.21 meters59.744 ft
    716.929 in
Standard Weight
  • 67.5 metric tons (without DRAGOON backpack)
  • Ultracompact Nuclear Fission Reactor
Pilot Accommodations
  • Pilot only (in cockpit in chest)
  • 4 x DRAGOON Pod
    • 40 x Beam Gun (10 per pod)
  • 4 x MMI-GAU2 "Picus" 76mm CIWS
  • 2 x XM1 "Pristis" Beam Reamer
Special Equipments and Features
Optional Equipment
  • MA-M22Y Beam Rifle
  • MA-MV04 Composite Armed Shield System

The YMF-X000A Dreadnought Gundam (aka Dreadnought, X Astray) is a Mobile Suit in the manga series Mobile Suit Gundam SEED X Astray.

Technology & Combat Characteristics

The first Gundam produced by ZAFT, it is based on the technologies that ZAFT obtained from the four stolen GAT-X machines. The Dreadnought Gundam is developed as a testbed for the DRAGOON system (which is later utilized by ZGMF-X13A Providence) and the N-Jammer Canceller technology, making it the first nuclear powered mobile suit in CE. Manufactured around the same time as the ZGMF-600 GuAIZ, both suits share many common parts and all of the Dreadnought's weapons are derived from GuAIZ's, except those on the backpack. Dreadnought is armed with four head-mounted "Picus" 76mm CIWS, an MA-MV04 composite armed shield system that is capable of emitting a beam saber, a single MA-M22Y beam rifle and two beam reamers and four weapon pods on the backpack that are controlled through the DRAGOON System.


  • MA-M22Y Beam Rifle
An improved model of the beam rifle used by GuAIZ. This rifle also serve as an early model of the Providence Gundam's MA-M221 "Judicium" beam rifle.
  • MA-MV04 Composite Armed Shield System
Mounted on the left forearm or handheld, it is developed from the GuAIZ's composite armed shield system. The shield is longer than GuAIZ's and emits a beam saber rather than dual beam claws.
  • MMI-GAU2 "Picus" 76mm CIWS
Mounted in the head, the four MMI-GAU2 "Picus" 76mm CIWS guns have a high rate of fire but poor penetrating power. Thus, they are mainly used to shoot down incoming missiles and enemy units at close range.
  • XM1 "Pristis" beam reamers
Developed from the GuAIZ's extensional arrestors, a pair of them are mounted on the waist of the Dreadnought. The beam reamers have a beam gun each and are controlled through the DRAGOON System. While these weapons are tethered to the suit by wires, the wires are simply to recover the weapons in the event of a malfunction in the still-experimental system.
  • DRAGOON pods
Four DRAGOON System controlled pods are mounted on the specialized backpack. Each pod is armed with 10 beam guns and, like the beam reamers, are connected with wires to the suit, although they also can function without them. A tetrahedral beam shield can also be emitted from these DRAGOON pods. The way the pods are mounted is the reason why Dreadnought is called X Astray.

Special Equipment & Features

As with the other five Gundam units produced by ZAFT later, the Dreadnought is equipped with a Neutron Jammer Canceller, which counters the effects of the ubiquitous Neutron Jammers and allows these suits to be powered by nuclear reactors. This gives them almost limitless combat endurance, even with Phase Shift armor activated. Dreadnought and its variant is the only MS to have the NJC installed in the head.
  • Operating System
The Dreadnought uses the Generation Unsubdued Nuclear Drive Assault Module complex operating system.
Like the other Gundam units produced by ZAFT later, the Dreadnought is equipped with Phase Shift armor. Thanks to its N-Jammer Canceller and nuclear reactor, the PS armor is capable of being active for a lot longer than on non-nuclear powered suits.


In mid CE 71, ZAFT creates a series of advanced mobile suits based on technology reverse-engineered from the captured Earth Alliance G Project suits. Like their EA predecessors, the ZAFT Gundams are armed with advanced beam weaponry and protected by Phase Shift armor. However, an additional technology is incorporated as well: the Neutron Jammer Canceller, which counters the effects of the ubiquitous Neutron Jammers and allows these suits to be powered by nuclear reactors. This gives them almost limitless combat endurance, even with Phase Shift armor activated. The first of these suits is the YMF-X000A Dreadnought Gundam. Unlike the other nuclear-powered Gundams built by ZAFT afterwards, which are entirely new designs, the Dreadnought is actually built from a heavily modified ZGMF-600 GuAIZ frame.

The Dreadnought Gundam is test piloted by Courtney Heironimus, but for unknown reasons ZAFT did not manufacture its specialized backpack and the suit is dismantled after the tests are completed. The full set of parts are then transferred over to Prayer Reverie so that he can bring it back to Earth to Reverend Malchio, who wants to use its N-Jammer Canceller technology to end the energy crisis on Earth. Due to a series of events, the parts are then acquired and assembled by the Junk Guild and the suit, minus its stolen head, is piloted by Prayer to fend off attacks from Eurasian Federation. Shortly before the war's end, the stolen head was returned, and Lowe fits it together with the specialized DRAGOON backpack (mounts weapon pods similar to those of the Providence) that was built based on blueprints handed to him by Andrew Waltfeld who is safeguarding the data on behalf of Siegel Clyne. The configuration of the backpack causes Lowe to nickname the Dreadnought "X Astray." The completed Dreadnought is used against Canard Pars and his CAT1-X1/3 Hyperion Gundam Unit 1. In the end, the Hyperion is destroyed, but Prayer protects Canard from the explosion by using the DRAGOON pods to create a tetrahedral energy shield. Prayer then dies shortly thereafter due to flaws in the cloning process.


Notes & Trivia

  • The ability of Dreadnought Gundam's DRAGOONs to form a 360 degree beam shield is similar to the ORB-01 Akatsuki Gundam's M531R Guided Mobile Beam Turret System. Both of these are similar to the Fin Funnels of the RX-93 ν Gundam.
  • In SD Gundam Capsule Fighter Online, the Dreadnought's complete and incomplete forms are given two different designations - without the DRAGOON pack, it's referred to as "Dreadnought Gundam" while with it, it is called "X Astray"

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