List of Mobile Suit Gundam SEED technology

This article deals with technology from the Cosmic Era timeline of the Gundam fictional universe metaseries.

Nuclear Technologies
After the Bloody Valentine War all military use of these technologies was banned by the Treaty of Junius.



Neutron Jammer
The N-Jammer or Neutron Jammer is a device which suppresses nuclear fission reactions by blocking the movement of free neutrons (it is probable that nuclear fusion, which does not rely on neutron emission, would be unaffected by an N-Jammer). Its effective range is so great that even a handful of these devices are sufficient to cover the entire Earth, nullifying all nuclear weapons and nuclear power plants on the planet's surface. The N-Jammer also has the side effect of disrupting radio waves, severely restricting the range of radar and conventional communications, and for this reason space warships are equipped with these devices as an electronic countermeasure.

The N-Jammer was originally developed in the PLANTs under the supervision of Supreme Council member Orson White. These devices were first employed in the battle for the space station Yggdrasil on February 22, C.E. 70, and on April 1 of that year the ZAFT forces drove countless N-Jammers into Earth's surface as the first phase of their Operation Uroboros campaign. The nations of Earth, which had previously depended on nuclear fission as their primary power source, were plunged into a severe energy crisis as a result.

During the winter of CE 70-71, at least tens of millions of Naturals died on Earth because of lack of energy for heating, due directly to the presence of N-Jammers on Earth. However, the Treaty of Junius outlawed the use of N-Jammers in combat, either in a defensive role or as a weapon.


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Neutron Jammer Canceller
Neutron Jammer Cancellers or N-Jammer Cancellers are devices used to cancel the effects of N-Jammers.

ZAFT deployed Neutron-Jammers to disallow the Earth Alliance use of nuclear weaponry. ZAFT also invented this device to cancel this effect in order to use nuclear weapons / generators. This would means nearly limitless supply of energy and a complete superiority over other battery powered Mobile Suits that had to be recharged periodically. In its debut episode, Kira takes the ZGMF-X10A Freedom from a PLANT (a space colony resembling an hourglass) to the JOSH-A base in Alaska, a flight requiring three days of constant operation, with no need to refuel. In fact, it's not clear that the ZGMF-X10A Freedom and ZGMF-X09A Justice were ever refueled during their operational lives. The "G.U.N.D.A.M" acronym for Mobile Suits equipped with a N-Jammer Cancellers are Generation Unsubdued Nuclear Drive Assault Module.

Because the use of N-Jammers was banned by the Junius Treaty which ended the Bloody Valentine War, N-Jammer Cancellers are now semi-outdated technology; however, because of the still-present N-Jammers which were dropped on Earth during the War as offensive weapons, all nuclear power reactors on Earth are equipped with N-Jammer Cancellers. The Neutron Stampeder weapon appears to be derived from the N-Jammer Canceller. Initial versions of the N-Jammer Canceller have no effect on and offer no protection from the Neutron Stampeder's effect, but ZAFT has since developed a version immune to the Stampeder.


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Neutron Stampeder
An experimental defensive weapon designed by ZAFT to protect against nuclear attack. The device is mounted on a Nazca-class destroyer, and is nearly as large as the ship itself. When activated, the Neutron Stampeder emits a massive energy wave, which causes any nuclear weapons it comes in contact with to prematurely detonate. Unfortunately, the emitters fry themselves after firing, so the weapon can only be fired once.

The Neutron Stampeder was first fielded in CE 73, when it thwarted an Earth Alliance attempt to attack the PLANTs with nuclear missiles, causing the Alliance fleet to be wiped out by its own weapons.

Hyper-Deuterion Nuclear Reactor
The hyper-deuterion nuclear reactor is a hybrid system created by ZAFT which combines a nuclear fission reactor with a deuterion beam system. The mechanics of this system are unknown, but hyper-deuterion reactors are more powerful and efficient than conventional fission reactors, but require a hyper capacitor battery and recharging, which effectively makes it having a shorter operation time. The hyper-deuterion reactor is currently used by the ZGMF-X42S Destiny and ZGMF-X666S Legend only. The "G.U.N.D.A.M" acronym for mobile suits with a hyper-deuterion nuclear reactor is Gunnery United Nuclear-Deuterion Advanced Maneuver.

G Project
The G Project was the Earth Alliance's crash program to develop mobile suits that could be piloted by Naturals. First-generation mobile suits were too complex for Naturals to control, and could only be piloted by Coordinators. The G project began in Cosmic Era year 69 under the aegis of Admiral Lewis Halberton to produce G Weapons and reached fruition in 71. The G mobile suits eventually became known collectively as "Gundams," after the acronym for their mobile operating system - General Unilateral Neuro - Link Disperisve Automatic Maneuver.

The five mobile suits developed under the G Project were:
 * GAT-X102 Duel
 * GAT-X103 Buster
 * GAT-X105 Strike
 * GAT-X207 Blitz
 * GAT-X303 Aegis

Several later mobile suits were derived from the G Project, all designated GAT-01 with a suffix to indicate which suit they were developed from. "A" or no suffix designates mobile suits derived from the GAT-X105 Strike Gundam, "D" designates mobile suits derived from the GAT-X102 Duel Gundam, and "E" designates mobile suits derived from the GAT-X103 Buster Gundam.

See Cosmic Era Mobile Units for detailed information about all the produced units.



METEOR
The METEOR (Mobile suit Embedded Tactical EnfORcer) support system is a large, unmanned vehicle created by ZAFT for use by the ZGMF-X09A Justice and ZGMF-X10A Freedom. The METEOR unit is propelled by powerful laser pulse thrusters, counteracting the considerable mass of the nearly 100 meter long vehicles. The METEOR is extremely well-armed, mounting four battleship-grade beam cannons, two huge beam swords, and 77 missile launchers. The support ship Eternal was designed to carry the two METEOR units externally. Only two METEOR units were built during the Bloody Valentine War. One was destroyed by Ex ZAFT commander Rau Le Creuset in battle against Freedom, the second one was used by Athrun Zala to pierce the GENESIS armor and presumedly destroyed in the explosion of GENESIS.

ZAFT also created a variant of the METEOR system, the Verne 35A/MPFM Multipurpose Flight Module, which lacks the METEOR's heavy armament but can be used as a booster for a variety of mobile suits and shuttles.

In CE 74, it is shown that the Eternal got two new METEOR units, however it is unknown how they got them (One the two units might be Athrun's old METEOR pack, since it was never shown to have been destroyed). The ZGMF-X19A Infinite Justice and ZGMF-X20A Strike Freedom can also use the METEOR system.

The METEOR is said to be the spiritual successor of the RX-78GP03 Gundam Dendrobium Orchis mobile armor in Universal Century, Mobile Suit Gundam 0083: Stardust Memory.

Technical Data
Dimensions: overall length 99.46 meters; overall width 60.12 meters Weight: 552.42 metric tons (not including mobile suit) Armaments: 2 x 120cm high-energy beam cannon, 2 x 93.7cm high-energy beam cannon, 2 x MA-X200 beam sword, 77 x 60 cm "Erinaceus" anti-ship missile launchers (22 per pod, 12 per arm unit, 9 on tail fin)



DRAGOON System
The DRAGOON (Disconnected Rapid Armament Group Overlook Operation Network) system is a control system developed by ZAFT to guide remote weapons. The DRAGOON uses Quantum Communication to send signals to weapon pods to move them around without the awkward wire guidance used in mobile armors such as the TS-MA2mod.00 Moebius Zero, or the Striker Pack AQM/E-X04 Gunbarrel Striker. The original system was first tested in the YMF-X000A Dreadnought, tested by ZAFT pilot Courtney Hieronimus and then later civilian Prea LeVeri. The most prominent unit using the DRAGOON system is the prototype unit ZGMF-X13A Providence, piloted by ZAFT ace Rau Le Creuset during the Second Battle of Jachin Due.

An alternate version of the DRAGOON system was developed by Earth Alliance's Azrael Financial Group and utilized in their prototype TSX-MA717/ZD Pergrande mobile armor. This version required three pilots, and didn't require a pilot with spatial awareness; instead, the computer maneuvered the pods using the X, Y, and Z coordinates from the pilots. These pods mounted a beam cannon and a beam gun, which made it much more powerful than the regular DRAGOON system mobile suits. The Pergrande was destroyed during testing by ace pilot Gai Murakumo of the Serpent Tail mercenary group.

In CE 73 a new version of the DRAGOON system is developed by ZAFT. This system doesn't require a pilot with highly spatial awareness and thus even a normal pilot can control this weapons. The new ZAFT Gundam-type mobile suit ZGMF-X666S Legend is equipped with this new DRAGOON version, as is the ZGMF-X20A Strike Freedom (the Strike Freedom is even able to use its DRAGOON units inside the atmosphere of the Earth, albeit only as beam weapons in its HiMAT attack mode). Also the ZGMF-X24S Chaos uses an easier version of this system in the form of two Gunbarrel-like weapon pods.

Deuterion Beam Energy Transfer System
The deuterion beam energy transfer system is a technology developed by ZAFT to remotely recharge the batteries of mobile suits. It was developed as a result of the ban of all military applications of the N-Jammer Canceller and nuclear power. With this system, a properly outfitted ship can project a "deuterion beam" into the receiver of a mobile suit, rapidly recharging its battery in mid-battle. The first vessel to be outfitted with this system is the battleship Minerva. The "G.U.N.D.A.M" acronym for mobile suits equipped with a Deuterion Beam Energy Transfer System is Generation Unrestricted Network Drive Assault Module.

Mirage Colloid
Mirage Colloid is a sythetic particle first discovered by the Earth Alliance's Atlantic Federation, which can be used for a variety of military purposes.

At the end of the Bloody Valentine War, the Treaty of Junius was signed by representatives of the Earth Alliance and ZAFT. One of its provision banned the use of Mirage Colloid technology, seemingly putting an end to further development of this highly versatile particle.

The Mirrage Colloid technology has many similarities to the Minovsky Technology of the Universal Century.

Mirrage Colloid stealth system
The first use discovered was as a stealth device, and this technology was incorporated into the GAT-X207 Blitz. With the Mirage Colloid system activated, the mobile suit was covered by the particles, which bent light and RADAR waves around it, rendering the Blitz invisible to both visual and electronic detection. This application of Mirage Colloid was later incorporated into the MBF-P01-Re Astray Gold Frame Amatu, which used the severed arm of the Blitz, and was eventually repeated on a much larger scale to conceal ZAFT's huge superweapon GENESIS.

Although Mirrage Colloid was banned, in CE 73, the top secret Earth Alliance battleship Girty Lue used its illegal Mirage Colloid stealth system to launch a sneak attack on ZAFT's Armory One base and steal three prototype Gundam mobile suits.

Geschmeidig Panzer
The next development of Mirage Colloid was the "Geschmeidig Panzer" energy deflection armor, employed by the GAT-X252 Forbidden and its descendants, the GAT-X255 Forbidden Blue and GAT-706S Deep Forbidden. This system utilized Mirage Colloid particles to bend energy beams away from the mobile suit, providing excellent defensive capabilities. The "Geschmeidig Panzer" pods can also deflect water for use as a propulsion system.

The ZGMF-X56S Impulse's shield also includes a beam-deflection system, but it is not know whether it employs Colloid particles for this function.



Mirage Colloid Virus Spreader
While the initial advances in Mirage Colloid technology were made by the Atlantic Federation, a more novel development came from another source: the Mirage Colloid virus spreader, created by the defense conglomerate Actaeon Industries and utilized in their prototype NMS-X07PO Gel Finieto. This system used Mirage Colloid particles to access the operating systems of nearby mobile suits and infect them with a computer virus, unimpeded by Neutron Jammer interference. However, the Gel Finieto was otherwise lightly armed and generally unremarkable, and there was little military interest in the mobile suit.

Wings of Light
The newest use of the Mirrage Collid technology. The Wings of Light used by ZAFT's ZGMF-X42S Destiny function as a propulsion system which allow the Destiny to move at a very high speed. Also the Colloid particles in the system leave a trail of visible after-images that can confuse enemy sensors. It is unknown if the WoL can be used for other purposes. However like the Mirrage Colloid stealth system the WoL consume a very high amount of power and thus a mobile suit which uses this system needs a strong reactor.

Phonon Maser
The phonon maser was created by ZAFT for use in amphibious mobile suits, to counteract the ineffectiveness of standard beam weapons in underwater environments. Phonon masers concentrate sound waves into highly destructive laser-like beams. The Earth Alliance was later able to duplicate phonon maser technology for use in its own series of amphibious mobile suits.

Cyclops System
The Cyclops System is a powerful microwave weapon devised by the Earth Alliance, which consists of a large array of dish emitters. The Cyclops System's effectiveness is actually increased by Neutron Jammers, which restrict the microwaves to smaller area and increase the intensity of the weapon's effects. Once activated, the Cyclops System rapidly heats the water that makes up about 60% of the human body, as well as the propellant and ammunition supplies of mobile suits. Ultimately the intense radiation heat will destroy even buildings and the array itself. To conceal these weapons, the Earth Alliance builds them beneath their own bases as a self-destruct mechanism. The Cyclops System was used twice during the Bloody Valentine War, once to destroy the Endymion Crater lunar base, which was being overrun by ZAFT forces, and once in a trap at the Earth Alliance military headquarters in Alaska, when Atlantic Federation leaders deliberately sacrificed their unwitting Eurasian Federation comrades to wipe out 80% of all ZAFT force on Earth.

Positron Blaster Cannon
Positron blaster cannons are highly powerful weapons used as the main guns of some large warships. They fire beams of positrons, the antimatter equivalent of electrons. When such a beam comes into contact with an object, the positrons and electrons annihilate each other, which in turn causes the target to break apart on a molecular level. A side effect of this process is a burst of highly lethal gamma radiation. Positron blaster cannons include the "Lohengrin" cannons used by the Earth Alliance's Archangel-class assault ships and Orb's Izumo-class battleships and the "Tannhäuser" cannon of the ZAFT battleship Minerva. In addition, at least one Earth Alliance fortification on the Arabian Peninsula has been equipped with a "Lohengrin", and the MBF-P03-2 Gundam Astray Blue Frame Second can be equipped with a miniaturized "Lohengrin", which is the size of a large mobile suit bazooka.

Positronic Interference
Positronic interference is a side effect of firing a positron blaster cannon within Earth's atmoshere that can be used to launch a vessel into space without use of a mass driver. If positron blasters are fired while a ship is in flight, they can produce a cone of positrons that literally disintegrate the atmosphere in front of the ship, eliminating air resistance and allowing it to achieve greater velocity without the risk of burning up in the earth's atmosphere.

Gungnir System
The Gungnir System, named for the legendary spear of the Norse god Odin, is a powerful electromagnetic pulse system produced by ZAFT to disable electronic systems (including the controls of mobile suits) without harming living creatures. ZAFT's own mobile suits have heavy EMP shielding and are unaffected by the Gungnir System, but the Earth Alliance's early mass-production model GAT-01 Strike Daggers' shielding proved insufficient to protect against it. Later Earth Alliance mobile suits include improved EMP shielding, rendering the Gungnir useless.



GENESIS
GENESIS (Gamma Emission by Nuclear Explosion Stimulate Inducing System) is a huge gamma ray laser built under the orders of Patrick Zala as ZAFT's ultimate weapon. GENESIS uses multiple nuclear devices with Neutron Jammer Cancellers to produce a massive burst of gamma radiation, which is reflected back by an external alignment mirror and focused by a second mirror into a laser beam. This laser is sufficiently powerful that if it were to hit the Earth, a great part of the surface would be destroyed and nearly all life on the planet would be exterminated. The external mirror is reduced to a radioactive scrap in the blast and must be replaced for another shot to be fired. GENESIS is also protected by multiple layers of Phase Shift Armor and can be concealed by Mirage Colloid. The weapon is stationed behind the ZAFT space fortress Jachin Due and thus protected by not only the station but also by a huge ZAFT fleet.

GENESIS is first deployed in September C.E. 71 after the nuclear attack of the Earth Alliance on ZAFT’s other space fortress, Boaz. With its first shot it destroys a great part of the Alliance’s fleet and thus forcing them to retreat for a short time. On the next day the superweapon fires its second shot on the Ptolemaeus lunar base not only destroying it completely but also wiping out another Alliance fleet. The third shot is intended by Patrick Zala to fire on Earth (the target being Washington D.C., the capital of the Atlantic Federation) but before it is able to fire, Patrick’s son Athrun Zala flies with his ZGMF-X09A Justice inside the weapon, where he detonates his unit, thus destroying the huge weapon shortly before it is able to emit the destructive burst. Only a small amount of energy is emitted which destroys the badly damaged ZGMF-X13A Providence.

Originally GENESIS was intended to be used as a propulsion system for ships to reach far away places in space. A second GENESIS unit, named GENESIS Alpha, is used by the Junk Guild ship ReHOME in this way to fly to Mars.

Nibelung
The Nibelung is a massive fixed anti-aircraft cannon positioned to defend Heaven's Base, the Atlantic Federation military headquarters in Iceland. The Nibelung is concealed beneath a false mountain and, when revealed, points directly upward to target any units being dropped from space. It consists of a single tall spire within a concave array of mirrors, which scatter the beams fired from the spire into a wide cone that annihilates everything in flight above Heaven's Base. It is unknown how it really works but from the sight of it it seems to be some sort of combination of ZAFT's GENESIS and the Cyclops System. The Nibelung is used to great effect against a ZAFT space drop operation during the assault on Heaven's Base.

REQUIEM
Details of this weapon are currently unknown. LOGOS leader Lord Djibril was hiding in the United Emirates of ORB after Heaven's Base fell as he was being hunted by ZAFT forces on the order of PLANT Supreme Council Chairman Gilbert Dullindal. After he successfully escapes from ORB to the Earth Alliance Lunar Base using a space shuttle owned by the Seiran family, as retaliation the EAF launches a surprise attack with this weapon at one of the PLANT colony.

Anti-Beam Coating
Anti-beam coating is a material that can be applied to the surface of objects to make them resistant to beam weaponry. Nearly all mobile suit shields have anti-beam coating applied to the outer face, allowing them to withstand numerous hits by beam rifles and blades, and even provide some protection against a warship's large beam cannons, but anti-beam coating wears down over time because of constent attacks of beam and physical attacks, so mobile suit shields have to re-apply new layers of anti-beam coatings after every battle. ZAFT warships also have a thin anti-beam coating, and a few rare bladed weapons are also anti-beam coated.

Anti-Beam Depth Charge
Anti-beam depth charges are cylindrical pods that can be released by some warships, which detonate and release clouds of beam-absorbing particles. These particles disperse relatively quickly, but temporarily reduce the power of beam shots. As the particles have the same effect on beams fired by the ship that deployed them, anti-beam depth charges are typically used to cover a retreat.

Laminated Armor
Laminated armor is an outer armor layer consisting of a single piece, rather than connected plates. It provides protection against beam weaponry by dispersing them across the entire surface of the armor. This provides superior protection against beam weapons, but eventually laminated armor begins to melt from the accumulated heat. Laminated armor is used on the Archangel-class assault ships and the GAT-01A1 105 Dagger and GAT/A-01E2 Buster Dagger mobile suits.



Phase Shift Armor
Phase Shift armor is a technology designed to protect mobile suits from physical attack. Phase Shift, or "PS" armor, is formed by millions of nano-robots that provide protection by changing their physical properties. When PS armor powers up, a hissing sound can be heard and the grey surface of the mobile suit's armor is overlaid in color, which appears to be alterable by entering different values in the Armor Voltage section of the OS. Once powered up, the PS armor consumes minimal energy unless it is being actively attacked. ZAFT commander Andrew Waltfeld, through his knowledge of the Phase Shift armor, estimated that the GAT-X105 Strike Gundam in standard use can take approximately 72 hits per second of TMF/A-802 BuCUE's missiles, before the energy usage disables the PS armor for a short period. Against the 76mm machine gun carried by the ZGMF-1017 GINN, the Strike Gundam's armor is effectively unlimited.

Phase Shift armor (PS) was developed by the Earth Alliance, and first rolled out in Cosmic Era 71. It remains in use as of CE 73. The first mobile suits to be equipped with PS Armor are the so-called "Gundams", GAT-X102 Duel, GAT-X103 Buster, GAT-X105 Strike, GAT-X207 Blitz and GAT-X303 Aegis. Later, both ZAFT and the Orb Union's Morgenroete, Inc. were able to study and duplicate the armor design.

The inverse of the Phase Shift armor concept is the Universal Century's I-field generator, which defends against beam weaponry but has no effect against physical attack.

Limitations
Because PS armor draws energy off of a mobile suit, the suits so equipped must have a means of replenishing that energy, or risk power depletion. During the war, the existence of N-Jammers limited mobile suits and mobile armors to operation on an energy battery (some mobile suits were equipped with various turbine engines to extend their operating time, but almost none had truly unlimited operational ability).

PS armor grants near-invulnerability to projectiles, but it has virtually no effect on beam weapons, so most PS armored mobile suits carry a shield with an ablative anti-beam coating for defense against beams.

Nuclear power could give a PS armored mobile suit theoretically unlimited operating time, however during the Bloody Valentine War the widespread use of N-Jammers made this nearly impossible and afterward, the Treaty of Junius outlawed nuclear-powered mobile suits. Only a few nuclear-powered mobile suits were made in any event, including the YMF-X000A Dreadnought, ZGMF-X09A Justice, ZGMF-X10A Freedom, ZGMF-X11A Regenerate, ZGMF-X13A Providence, ZGMF-X999A ZAKU Trial Type, and during the Second Bloody Valentine War the ZGMF-X19A Infinite Justice and ZGMF-X20A Strike Freedom. Each of these units incorporated an N-Jammer Canceller in their design, negating the effects of the N-Jammers in the field.

Trans Phase armor
During the war, OMNI Enforcer experimented with ways to extend the usefulness of PS Armor, leading to the development of Trans Phase armor (TP), which improved on PS Armor by only activating at the point of impact. However, this left TP armored mobile suits vulnerable to heavy attack from multiple vectors (a sufficiently powerful weapon could also overpower the TP armor) Orb's Morgenroete, Inc. produced a similar Phase Shift system to armor the cockpit of the refitted MBF-P03 Astray Blue Frame Second. While this armor was not referred to as Trans Phase, it was functionally identical. The later GFAS-X1 Destroy units were also equipped with the TP armor system.

ZAFT continues to develop Phase Shift armor after the war (the Earth Alliance seems to have abandoned it for the less power intensive Trans-Phase armor and conventional laminated armor) culminating in the development of Variable Phase Shift (VPS) Armor on the ZGMF-X56S Impulse, which alters the color and strength, and by extension the power consumption, to fit the suit's different configurations.

Lightwave Barrier
A lightwave barrier is an energy field which blocks both physical and energy weapons. This technology was developed by the Eurasian Federation to protect its asteroid fortress Artemis. This barrier became known as the "Umbrella of Artemis". Later, a mobile suit-scale version, known as "Armure Lumiere", was developed for Eurasia's CAT1-X Hyperion series mobile suits. This system could be used to form a triangular arm-mounted beam shield or a complete 360-degree barrier, although the latter could be maintained for only 5 minutes. The "Armure Lumiere" also allowed the Hyperion Gundams' specialized beam submachine gun to fire through its barrier. Lightwave barriers can, however, be pierced by physical blades with anti-beam coating, or by another lightwave shield shaped to have a sufficiently pointed tip.

In CE 73, ZAFT began deploying beam shields, which seem to function in the same manner as lightwave shields. The ZGMF-X42S Destiny, and ZGMF-X666S Legend all utilize this technology, as do the Clyne Faction's ZGMF-X19A Infinite Justice, ZGMF-X20A Strike Freedom, and ZGMF-XX09T DOM Trooper.

Positron Reflector
A positron reflector is an energy barrier that uses a field of positrons to deflect beam weapons. In CE 73, the Earth Alliance creates several mobile armors which use this system to create a shield to protect themselves or fixed installations. The first mobile armor with this system is the YMAF-X6BD Zamza-Zah which fights against the Minerva when it flees from Orb. With its deflector it can even withstand the Tannhäuser positron cannon. The second unit, the YMAG-X7F Gells-Ghe, is used to protect an Earth Alliance "Lohengrin Gate" positron cannon in Gulnahan. Finally, the massive GFAS-X1 Destroy mounts three positron reflectors, rendering it virtually imperverious to the weapons of the ZAFT mobile suits and land battleships occupying central Eurasia. The ZGFMF-X12 Astray Out Frame uses a pair of "beam signs", capable of reflecting even a positron blast, suggesting that it could have positron reflector technology.



Scale System
A scale system is method of propulsion developed by ZAFT for use in land battleships. Scale systems use the vibrations of thousands of tiny mechanical scales to move over loose soil or sand, and can also function on water. For smaller vehicles such as mobile suits, a scale system can also be used for underwater propulsion, though the relatively fragile scales cannot withstand the high pressures of the ocean depths, requiring the mobile suit to remain close to the surface. As the scale system can propel a vehicle sideways or backwards (or vertically, in underwater use) with equal speed to forward motion, vehicles with a scale system tend to be more agile than those of comprable size that are reliant on conventional thrusters or screw propellers.