Macross Defenses

XS-1 Barrier Defense System: An advanced forcefield system which covers the full four pi steradians around the ship with a yellow-greenish forcefield (or if desired, only part of the ship). This field will stop all solids and directed energy weapons (except lasers through a narrow band). However, excess energy which cannot be shunted from the field into the monopolar heatsinks will be stored in the virtual structure of the field itself. The storage wattage is high but not infinite, and when the barrier overloads the field will discharge the stored energetic particles. This discharge will have the force of a high-yield (>45 MT) fusion bomb. However, as the discharged energetic particles' vectors will be away from the field and its generating vessel, the vessel will survive, though it will suffer severe damage to its electronics and power systems, and will not be battleworthy until repairs are made. After the SDF-1 lost her spacefold, shunting was limited to the secondary heat-sinks, increasing the liklihood of a barrier overload.

NB: The barrier system on board the Macross was heavily damaged during its crash landing on Earth, and full repairs were not completed until after the system had been reverse-engineered in 2010. However, it was partially operational in the months before its full restoration and operated as the "Pinpoint Barrier System", three (later four) movable disks of force field, conformal to the vessel's surface, that were useful in repelling light torpedo attacks, or strengthening hull sections prior to ramming actions such as the Daedalus maneuver.

RRD DSO-8 omnidirectional barrier defense system(1): An advanced forcefield system which covers the full four pi steradians around the ship with a yellow-greenish forcefield (or if desired, only part of the ship). This field will stop all solids and directed energy weapons (except lasers through a narrow band). However, excess energy which cannot be shunted from the field will be stored in the virtual structure of the field itself. The storage wattage is high but not infinite, and when the barrier overloads the field will discharge the stored energy particles. This discharge will have the force of a high-yield (>45 MT) fusion bomb. However, as the discharged energetic particles' vectors will be away from the field and its generating vessel, the vessel will survive, though it will suffer severe damage to its internal electronics and power systems, and will not be battleworthy until repairs are made .
Hughes DSP-7 pinpoint barrier defense system(10): Uses four movable disks of force field, conformal to the ship's surface, to repel light torpedo attacks, or particle beam fire.
Robotech Factories, suited for the manufacture of small items (mecha, missiles, and other spare parts) a fully manned Macross-class vessel would need over a period of 25 years.
PPB-020 Pin Point Barrier (3):

Range: 300 to 3000 off hull.
Damage: Can absorb 3000 points of Damage before the Barrier collapses due to strain. A collapsed barrier requires 5 seconds to recycle)
Attacks: 6 (Computer Controlled)
Bonuses: +7 to parry
Payload: 3 Independently controlled Barriers.

Luna Titanium (ルナチタニウム Runa Chitaniumu ?) (later renamed Gundarium (ガンダリウム Gandariumu?)) is a fictional substance from the original Mobile Suit Gundam TV series used to construct the famous RX-78-2 Gundam.
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Development

When the Earth Federation designed the RX-78 series of mobile suits, they also wanted a material that was strong, lightweight and durable for is construction; at that time they did not possess an adequate number of facilities to effect very-large-scale production and maintenance. Titanium isn't considered ideal as it becomes brittle if subjected to large amounts of stress over time as well as being slightly more complicated to work and weld when compared to other alloys like Steel, prompting the engineers to develop a new lightweight alloy that eventually came into being U.C. 0064, known as Luna titanium.
Derivatives

Gundarium α

Gundarium α (Alpha) is the first of three reproduced Luna Titanium alloy variants developed at Axis and in secret by the Anaheim Electronics company. It was known to have been used in the construction of the MSA-003 Nemo. This alloy is essentially an exact reproduction of the original Luna Titanium alloy used in the V Project prototypes.

Gundarium β

Gundarium β (Beta) is the second of three reproduced Luna Titanium alloy variants developed at Axis. It represents the intermediate stage of development between Gundarium α and Gundarium γ (Gamma).

Gundarium γ

Gundarium γ (Gamma) is the third of three reproduced Luna Titanium alloy variants developed at Axis. Introduced in U.C. 0087, it was lightweight and featured excellent durability, making it widely adopted on second generation mobile suits used in the Gryps Conflict. The introduction of Gundarium γ also presented technological advances in MS development, including the mass production of transformable (variable) mobile weapons was also realized.

Gundarium ε

Gundarium ε (Epsilon). Developed by Anaheim Electronics, it was essential in the construction of the Epsy Gundam, which used a nuclear pulse propulsion system.

Gundarium Alloy/Ceramic Composite

Introduced in the U.C. 120s following the progress in the miniaturization of mobile suits. This material added a ceramic composite material similar to the earlier armor's used on mobile suit's during the mid to late UC 0080's and UC 0090's. With the advent of miniaturized mobile suits in the early U.C. 0100's, mass production mobile suits such as the RGM-109 Heavygun could be made out of Gundarium without costing too much as the same amount of materials used in construction of larger older design mobile suits could be used in building more than one of the newer, smaller design style mobile suits for the same price. Unfortunately, the hybridization of Gundarium and Ceramic composites degraded the protective qualities of Gundarium. And combined with the thinner armor on the miniaturized mobile suits, meant that while mass production mobile suits were armored with Gundarium for the first time instead of a cheaper Titanium/Ceramic based composite; they were more vulnerable to physical attacks, whereas the older, prototype mobile suits (with thicker armor) armored with purely Gundarium were almost impervious to attacks that would severely damage or destroy the newer smaller generation of mobile suits.

Effectiveness

The Luna Titanium armored RX-78-2 Gundam was almost unstoppable in combat. 120mm and 90mm shells fired from the Zaku's machine guns having almost no effect on it. Physical attacks such as blunt force had little effect as well. During a fight with the Gundam on Luna II, Zeon pilot Char Aznable said that he "hadn't seen a mobile suit that could survive the beating I'm giving it" despite the fact that he had knocked the machine around using melee techniques.

The alloy had some degree of resilience against mega particle weapons as well; following a duel with Zeon's Zeong at A Baoa Qu, the Gundam was shown to only have lost its head, left arm, and later part of its right leg, but otherwise showed little damage. Another similar case was during the events of Char's Counterattack, in this instance Char's Sazabi was struck by a beam weapon in its midsection, only chipping off a few tiny pieces as a result.
Qualities

Lightweight: the Gundam was taller than the Zeon Zaku by about a meter, but the shorter Zeon mobile suit weighed slightly more than the Gundam.

Durable: projectile weapons could only scratch the alloy, which proved to be a disadvantage as most Zeon mobile suits were only equipped with machine guns or 280mm bazookas. (The 360mm Bazooka used by the MS-09 Dom had the ability to do moderate damage due to the large explosive charge, but the shells could easily be evaded at long range.)

Disadvantages

Despite its effective qualities, Luna Titanium alloy was plagued by several problems:

Expensive: the RGM-79 GM couldn't be made from this armor because it required a long time to refine and extract the ore, which made it impractical for mass production. Even though the mass-produced ground combat RX-79 Gundam were armored with Luna titanium alloy, it was only in the vital areas that this durable alloy could be found.

Repairs: the unique durability of this alloy troubled Federation mechanics as much as Zeon troops since expedient repairs that involve first steps such as cutting open or welding external armor plating proved impossible using equipment readily available in the field. In effect, the White Base, Jaburo and Luna II were the only locations that had the facilities required to repair and maintain the V Project prototypes.

Trivia

After the One Year War, this alloy was renamed Gundarium in honor of the RX-78 and its pilots exploits during the war. A similarly-named alloy known as Gundanium Alloy appears in the series Mobile Suit Gundam Wing. Like Luna titanium, it is a lightweight yet strong material used to build Gundams. Unlike Luna titanium, however, Gundanium is shown to be almost completely indestructible and needs to be artificially assembled in space.

In a very obscure Easter egg in Gundam Wing (on a computer screen shown during Quatre's exploration of the Sandrock's development program) Alloy Gundanium is identified as "Gundarium Theta." This could simply be a joke made by the show's producers. A unique compound which can only be produced in the zero-gravity conditions of space. In addition to its incredible strength—several times the strength and heat-resistance of titanium, Gundanium alloy is electrically non-conductive and cannot be detected by radar. However, this material is expensive and difficult to manufacture, making it unfeasible for mass production.

Gundanium is created through the most advanced refining, fusing, and deoxidizing techniques, which are only possible in space. The complex formula was first called GND, short for Genetic on Universal Neutrally Different Alloy. Later the suffix "-nium" was added to distinguish that alloy from other similar alloys that were being developed on Earth. Gundanium was still superior to the competition because of its zero-G creative process.
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Gundanium's Incredible resistance to beam weaponry.

While many similar alloys were developed, no other compound is as immutable as Gundanium. The refinement process causes the alloy to become electrically neutral, making it ideal for use with Beam-type weapons, and as armor, the material is almost entirely resistant to charge. However, the extremely high cost of production makes it impractical for military use.
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Gundanium's susceptibility to Beam cannons.

While it’s called an "alloy," Gundanium contains many non-ferrous metals and non-analyzed matter, meaning it is not a true metal. It is created in high-temperature plasma that can only form in zero-gravity. The compound is adjusted in nano-units, a process so precise that it can only be done in gravitationally stable Lagrange Points. The annealing process, which strengthens the alloy, is performed by electromagnetic waves from the sun. It is even rumored that the nuclei of the atoms themselves are modified within the Gundanium alloy.

There is no armor capable of defending against beam weapons. The Gundanium alloy used in the Gundams' armor and the Planet Defensors of the Mercurius and Virgos is highly heat-resistant and virtually immune to corrosion, but it's still not immune to beam attacks. It does, however, create an "anti-field" that repels beam attacks to some degree, reducing the damage delivered, but not stopping it outright.
Use in MS Production

Some intelligence indicates that OZ scientists experimented with using Gundanium alloy in MS creation. The very existence of Gundanium was kept secret, perhaps because it was a possible secret weapon for OZ. The five scientists who left the Tallgeese project took with them the knowledge of Gundanium, allowing them to create the Gundams that would later be the bane of OZ.

The creation of the Gundams took decades of work behind closed doors, due in part to the slow process of manufacturing Gundanium. This is evidence of just how long a process Operation Meteor was, with the Gundams being created before their eventual pilots were even born.
Gundarium Theta

As shown on the computer screen during Quatre's exploration of the program used to construct Sandrock. This could make it a descendant of Gundarium used in the Universal Century Gundam Universe. Titanium Alloy/Ceramic Composite (チタン合金セラミック複合材 Chitan Gōkin Seramikku Fukugō-zai?) are fictional materials in the Gundam meta-verse. In the Universal Century, Titanium Alloy is used as the standard armor material for most mass-produced mobile suits (MS). It is also used in the Future Century and After Colony time lines.
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Summary

During the One Year War, the Earth Federation Forces' (EFF) Project V developed Luna Titanium Alloy (later known as Gundarium) as a super-hard alloy armor which demonstrated outstanding durability and light weight. After the war, the EFF gave priority to the development of movable frame, which delayed the development of newer material armor to replace the difficult-to-produce Gundarium alloy. Hybrid armor composed of layers of titanium alloy and ceramic material was adopted as a temporary replacement for EFF MS produced after the One Year War. Titanium alloys also have the advantage of low-cost production compared to Luna Titanium Alloy, making it suitable for mass production machines (it is theorized that Titanium Alloy is physically durable as Gundarium β).

With the development of Gundarium α derivatives during the Gryps Conflict, Titanium Alloy was rarely implemented in the many transformable MS created during this time. However, during the Second Neo Zeon War Titanium Alloy saw extensive use in the mass production MS of both the Second Neo Zeon and the EFF. In U.C.0153, high-titanium alloy/neo-ceramic composite is incorporated into MS used by the Zanscare Empire.
Titanium and ceramic composite armor in the real world

Titanium alloys are metallic materials which contain a mixture of titanium and other chemical elements. Such alloys have very high tensile strength and toughness (even at extreme temperatures), light weight, extraordinary corrosion resistance, and ability to withstand extreme temperatures. The armor on the Gundam series is a low-mass plating that is the standard for command mobile suits known as Gundarium. Aside from the superb protection provided against projectiles, missiles, and other kinetic weapons, this armor is also fairly resistant to plasma globes (annihilation discs), lasers, and to a lesser extent, particle guns too, owing to the fact that the armor can flake off and evaporate in layers under fire from such high-energy weapons, taking much of the weapon's energy and converting it into the latent heat of sublimation in the armor. The armor stops all small arms fire, and has good resistance to all weapons commonly mounted on combat mecha. This new armor is also much lighter than most armors weighing a full two thirds less than the traditional armor's mounted on mecha but is almost twice as expensive to make.

The Gundam provides full protection from nuclear, biological, and chemical hazards, using an overpressure cockpit environment activated by radiation and hazardous chemical sensors, or manually when biological warfare conditions are anticipated. The internal consumables supplies can provide atmosphere for three days maximum.
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