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colonial marines 3 by I ez Cool, on Flickr



Weight : 31 tons (28 tonnes)
Length : 23 feet
Width: 2.5 m (8 feet, 2 inches)
Height: 2.6 m (8 feet, 5 inches)
Crew: 2 (Gunner, Driver), 4 Passengers
Armor: Titanium backed with ceramic

Primary armament: 1 x 155mm Howitzer Hydrogen Gas Gun
4 x Javeline anti-tank missile
4 x FIM-Stinger missiles

Secondary armament: 1 x 7.62mm Machine Gun (3000 rounds), 125 pounds
1 x .50 caliber machine gun (2200 round), 310 pounds



Engine: 600 horsepower Hydrogen fuel cell
Power/weight: 19.35 HP/Ton
Suspension: Torsion bar
Ground clearance: 30 inches
Fuel capacity: 600 liters (180 U.S. gal; 90 imp gal)
Operational range: 1000 miles
Speed: Max: 80 mph, 60 mph cruise, 45 mph off-road
Payload: Can carry up to a 155mm Howitzer, Towed
Additional information: A M578 armored vehicle, outfitted with a large hydrogen gas gun, meant as a multirole with anti-armor and artillery capabilities, given the extremely high velocity of the hydrogen gun. The vehicle stores the ammunition, hydrogen and recoil absorption system partially inside the vehicle, in the passenger cabin space normally outfitted for infantry forces.