XM-X1 Crossbone Gundam X-1

Model number(s): XM-X1 (Crossbone Vanguard); F97 (Strategic Naval Research Institute)
Code name: Crossbone Gundam X-1
Unit type: prototype close combat mobile suit
Manufacturer: SNRI
Operator: Crossbone Vanguard
First deployment: UC 0133
Accommodation: pilot only, in standard cockpit in torso with Core Block System using Core Fighter
Dimensions: head height 15.9 meters
Weight: empty 9.5 metric tons; max gross weight 24.8 metric tons
Armor materials: Gundarium alloy high ceramic composite
Powerplant: Minovsky type ultracompact fusion reactor, output rated at 5,280 kW
Propulsion: rocket thrusters: 100,000 ~ 120,000 kg total (4 x 25,000 kg (maximum 30,000 kg)); vernier thrusters/apogee motors: 34
Equipment and design features: sensors, range unknown; special weapons targeting sensor in head, can be deployed over right eye sensor/camera; dummy launchers in hands; optional ABC (anti-beam coating) mantle
Fixed armaments: 2 x vulcan gun, mounted in head; 2 x beam saber/beam guns, stored in shoulder recharge racks, hand-carried in use; 2 x heat dagger, stored in thighs, hand-carried in use, blades can extend or be launched from soles of feet; 2 x scissor anchor, mounted as front skirt armor; 2 x brand marker/beam shield, mounted one on each forearm, can be removed
Optional hand armaments: buster gun, can launch grenades (standard and nuclear warhead type); beam zanber; zanbuster (combined buster gun/beam zanber)

Originally developed by SNRI under the Formula Project as the Gundam F97, the Crossbone Gundam represented the Earth Federation Forces’ first earnest attempt at developing mobile suits for use outside of the Earth Sphere. Specifically intended to operate within Jupiter’s immense gravity well, the primary thrusters were mounted on flexible X-shaped limbs that could easily be reoriented for high speed or high maneuverability while still letting the machine retain low overall weight. This unique arrangement also allowed the Gundam to make use of a full-body anti-beam coating mantle without interfering with its thrusters. When the F97 was given to Berah Ronah’s Crossbone Vanguard, it was assigned the model number XM-X to obscure its origins. Fitting with their overall image as pirates, the Crossbone Gundam focused primarily on melee combat, equipped with beam sabers, heat daggers, scissor anchors, and beam shields which doubled as brand marker punching daggers.

The Crossbone Gundam’s unique weapons were the buster gun beam pistol and the beam zanber, a cutlass-styled weapon with high enough output to easily overwhelm standard beam sabers and shields. These two weapons could be combined into the zanbuster, which functioned as a standard beam rifle. Because of its emphasis on close combat, the Crossbone Gundam featured thick armor which retained a good deal of heat that needed to be vented through its faceplate often. Two standard Crossbone Gundams were produced and assigned to the Crossbone Vanguard’s ace pilots. The X-1 was the custom machine of Kincade Nau (aka Seabook Arno), the Vanguard’s main pilot and leader of its mobile suit forces. Its design, with a navy on white color scheme and relatively orthodox armament, could be considered the closest thing to a “standard” model. During a battle with the Jupiter Empire’s elite Death Gale Team, the X-1 was badly damaged, giving the Vanguard mechanics the opportunity to revamp it into the X-1 Kai.

Pilot(s): Kincade Nau (aka Seabook Arno), Tobia Arronax, Umon Samon
First appearance: Mobile Suit Crossbone Gundam
Original mechanical designer: Hajime Katoki
Note: Core Fighter custom color lineart by AmuroNT1

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