Designation: FIAT 6836 M-120 Heavy Armored Vehicle FIAT 6846 MT-1 Hell Peacock Heavy Armored Multiple Launcher Rocket System

Rough Draft

I. Dimensions.

II. Type.

• 6836 HAV: Two crew lightly-armored amphibious 6-wheeled personnel carrier and infantry fighting vehicle, capable of carrying up to 12 foot soldiers with standard gear.
• 6846 MLRS: Three crew lightly-armored amphibious 6-wheeled missile launcher system.

III. Service Life

• 6836 M-120 HAV: Replaced the M-116 AAC beginning in 2015, and was used extensively by the Southern Cross ground forces and to a lesser extent by the REF Army and Marines.
  • -120A: REF protoculture cell-powered electric flywheel engine version to reduce noise and environmental emissions for infiltration operations
• 6846 MT-1 HAMLRS: Used by the ASC and REF, this rocket artillery piece was adapted from the Fiat M-120 HAV. This variant was introduced in 2020 to provide a rapid deployment rocket/missile battery to supplement the aging MLSAM-8 system.

IV. Propulsion.

• Engine: 1 turbocharged 6 cylinder diesel engine providing 720 hp
• Transmission: Automatic shifting for six forward and one reverse gears
• Power-source: 1 x alternator with backup auxiliary power unit
• Fuel Capacity: 600 liter diesel.

V. Performance.

• Maximum speed : 150 kph
• Maximum water speed : 12 kph
• Maximum range : 800 km

VI. Electronics Suite.

Radar tracking:

• Westinghouse APG-144 X-band pulse-doppler phased array radar (Logan short range derivative with battlefield surveillance mode)

Optical tracking:

• Philips AllView II multi-band digital spherical camera system, for medium range 360 degree infra-red imaging, optical and ultra-violet band detection and tracking
• Hollandse Signaal computer targeting system with stereoscopic laser targeting.

Tactical Electronic Warfare System (TEWS):

• OlDelft Infra-red Warning Receiver (IRWR)
• Selenia GroundWarrior active/passive sensor jammers.

VII. Armament.

6836 HAV:

• 1 x Oerlikon 25mm automatic cannon, fires APHE (Armor Piercing High Explosives) and HEI-T (High Explosive Incendiary - Tracer) rounds. Maximum rate of fire 180 rounds/minute capable of firing in the forward 90 degree arc with a maximum elevation of 45 degrees. Ammunition supply 200 rounds. Additional ammunition boxes are stored inside the HAV. Effective range 1900 meters.
  or
• 1 x anti-tank missile launcher. Reloads can be stored inside the armored vehicle at the expense of passenger and cargo space.
  
• Gun ports for passengers

6846 MLRS:

• 6 x Missile Launcher systems each carrying 5 300mm x 4m short range surface-to-surface missiles.
  or
• 1 x HD SX-2 Missile system containing:
  • 6 x Long range 0.7m x 4m Surface-to-Surface/Air missiles capable of targeting vessels at altitudes of up to 30,000m, but the missile will be ballistic for the latter portion of the flight.

VIII. Armor.

The armor of the Fiat 6836/6846 Heavy Armored Vehicles is composed of a standard Chobam laminar developed in the late 20th century and improved with the materials science advances made during the Robotech era. This armor was mainly designed to defeat projectiles and other kinetic weapons. The armor stops all small arms, and heavy infantry weapons fire, provides good resistance to light mecha-mounted weaponry, and provides fair resistance to medium mecha-mounted weaponry, such as the Valkyrie's 55mm APFSDS round.

The 6836/6846 provides full protection from nuclear, biological, and chemical hazards, using an overpressure crew compartment environment activated by radiation and hazardous chemical sensors, or manually when biological warfare conditions are anticipated. The internal consumables supplies can provide atmosphere for one week maximum.

IX. Development.

Near the end of 2012, the Southern Cross command decided to increase the capabilities of their arsenal without arousing the interest of the RDF high command which kept a watchful eye on any protoculture development. They believed this would decrease their reliance upon the UEG government they no longer fully trusted. As such, the Southern Cross developed a number of conventional military vehicles that did not rely heavily on the tightly monitored technological advances that came from the SDF-1, Robotech Factory Satellite and Zentraedi armada. Among the vehicles acquired were a number of tanks and armored personnel carriers that allowed the Southern Cross to maintain control on the lands they claimed, and to keep in line those communities they had convinced to sign into a mutual defense treaty. These vehicles were significantly cheaper than any veritechs allowing the Southern Cross to field a significant army. This army led the Southern Cross to be the dominant power when the REF departed for Tirol as non-aligned communities could not mount sufficient resistance to maintain their independence.

The 6836 and 6846 Heavy Armored Vehicle designs were based on FIAT's 6636 heavy armored vehicle fielded in the 1980's and in use during the Global Civil War. The 6836 APC provides a weapons mount for a 25mm cannon or anti-tank weapon. The 25mm cannon uses the same ammunition as the autocannon used in the Flagga hoverplatform to simplify the supply logistics. The REF gave this vehicle the designation M-120 as a follow-on in the series containing the M-116 used by the UNDF forces. A number of their vehicles were upgraded to a protoculture engine to boost performance and reduce emissions.

The 6846 is a missile platform variant of the 6836 where the top of the vehicle is redesigned to accommodate the missile system. This provided a relatively agile and quick response missile artillery platform that provided some degree of protection to the crew. The REF gave this missile transport the designation MT-1, which was eventually adopted by the ASC as well.

While many of these vehicles were constructed and put in use around the world, the Robotech Masters' Bioroids and Invid troops were more than a match for these vehicles and not many survived the wars.

See additional design notes.

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Copyright © 1997 Robert Morgenstern, Peter Walker, Pieter Thomassen
Last Updated: Sunday, December 14, 1997 5:24 AM