The RX-78GP00 Gundam "Blossom" first appears in the B-Club Gundam -Phantom Bullet magazine, and subsequently Dengeki Hobby Magazine "Gundam Secret Weapons" and Gundam Wars series. Although the existence and details of this machine in official plot are disputed, the GP00 is said to be a model tested before 01~04 was designed and was the first of the Gundam Development Project series. The RX-78GP00 Gundam "Blossom" is categorized as E.F.S.F. Attack Use Prototype Mobile Suit

Technology & Combat Characteristics

The Gundam Blossom was an experimental compounding transformable mobile weapon unit developed by Anaheim Electronics at the lunar city of Von Braun as part of the Gundam Development Project and used the existing Core Block System of the RX-78-2 Gundam, which was then designed to dock with the FF-X(7)II Core Booster II which carries experimental equipment such as the long-range beam rifle and the Minovsky Particle Interference Wave Searcher (MPIWS), as well as its back boosters and its beam sabers. The taskings between docked by Core Fighter and FF-X(7)II Core Booster II were different, that docked with Core Fighter would tasks the Blossom as same role as RX-78-2 Gundam, and added with Core Booster II would transform the Blossom as assault purpose. The prototype long-range beam rifle did not feature a standard E-Cap system, and had a long recharging period after firing. The MPIWS was a large high-performance sensor powerful enough to detect wreckage on the lunar surface from a high altitude, but its reliability was low and frequently malfunctioned. Due to the fact that the Blossom gave a lot of stress to the pilot, the later four models in the Gundam Project were developed.


  • Long-range Beam Rifle
While it was called a "beam rifle', the Long-range Beam Rifle's size and output rivaled Beam Bazookas. Like its name suggests, it is a beam rifle that enables the pilot to hit distant targets with pinpoint accuracy and devastating power (Because unlike normal beam rifles, the Long-range Beam Rifle draws power directly from the Fusion Reactor). But the energy required to fire the rifle was very much that it put a heavy toll on the MS's generator. This combined with the low-firing rate and overheating problem would further reduce the usability of this weapon.
  • Beam Saber/Beam Gun
The standard close range armament for most Federation mobile suits. The beam saber is a small cylindrical device held in the mobile suit's hands when operated and is powered by an energy capacitor that is recharged from special racks. The beam saber is capable of cutting through any metal that has not been treated with anti-beam coating. The Gundam "Blossom" is equipped with a pair of beam sabers, that when not in use are stored in the shoulders. The beam sabers also double as fire-linked beam guns.

Special Equipment & Features

First developed by the Earth Federation in their top secret Project V, this his technology allow the usage data of a mobile suit to survive even if the mobile suit itself was destroyed. The mobile suit which equipped with this system could be separated and recombined in mid-air. The FF-X(7)II Core Booster II was designed to carry most of the equipment on the Blossom, such as the long-range beam rifle and the Minovsky Particle Interference Wave Searcher (MPIWS), as well as its back boosters and its beam sabers.
  • Minovsky Particle Interference Wave Searcher (MPIWS)
A disk device mounts on the left shoulder of the Gundam "Blossom". Minovsky Particle Interference Wave Searcher (MPIWS) has the same purpose with the radar of detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. But unlike the radar which use radio waves or microwaves, the MPIWS relies on Minovsky Particles. While a powerful reconnaissance tool, it's very heavy, and thus reduces the speed of the MS.


This model was to be designed to contain all the special features and concepts of the GP series (and therefore if this one had actually succeeded, all the other four would not have been designed). However, the configuration shown here as the primary test run only contains a long-range beam rifle, a multi-sensor and a core fighter. The machine was destroyed, but it is disputed as to exactly how. In Phantom Bullet(the original appearance of this mobile suit which is an unofficial side story) it says: "Destroyed in a combat against Zeon forces."

In Dengeki Hobby Magazine "Gundam Secret Weapons", it says: "Caught in the collapsing wreckage of an abandoned ship." In the Gundam Wars card game (the first official appearance of the mobile suit with detailed design as shown in picture), it says: "Due to all the equipment, the balance of the machine is lost and self-destructed on the test run."

No evidence points to one explanation being more accurate than the others. However, a combined story might have been: "During a test run, GP00 encountered Zeon forces and was forced into battle (just like GP03 in Gundam Evolve 4). While battling Zeon forces composed of MS-06F Zaku II (Gunner), MS-06F-2 Zaku II (Rangefinder), and MS-14Jg Gelgoog Jäger, due to all the equipment, the balance of the machine was lost. After losing control, the machine crashed into the collapsing wreckage of an abandoned ship (which was abandoned due to the battle) and is destroyed." However, the most important part is "It was destroyed due to an unbalanced design", Thus leading the project team on separating the features into different units, which were RX-78GP01 Gundam "Zephyranthes", RX-78GP02A Gundam "Physalis", RX-78GP03S Gundam "Dendrobium Stamen" and RX-78GP04G Gundam "Gerbera". Although the Blossom was full of flaws, the GP00 was one of the first experimental transformable mobile weapons due the timeline of the mobile weapons developments era (even the transformable doesn't mean the shapeshifting yet, but by other equipment units compounding the machine via Core Block System, and yet still very quaint on that time). Those flaws not just for fatal unbalance and stressing the pilot only, but also the maintenance supports wasn't compatible for transformable mobile weapons yet on that time. Years after the events of Operation Stardust, the Blossom has inspired the next future developments for the transformable mobile units, from compound-transformable (such as the RX-178+FXA-05D Super Gundam, and so on)  into shapeshifting-transformable mobile weapons (such as the MSZ-006 Zeta Gundam, and so on), including improved the maintenance systems that could support it.


Picture Gallery

External links

Phantom Bullets Mechanics
Earth Federation Forces
Mobile Weapon
Mobile Suit
RGM-79GS GM Command Space Type | RX-78GP00 Gundam "Blossom"

Aircraft / Spacecraft
FF-X(7)II Core Booster II
Zeon Remnants
Mobile Weapon
Mobile Suit
MS-06F Zaku II (Gunner) | MS-06F-2 Zaku II (Rangefinder) | MS-14Jg Gelgoog Jäger