Like the Mark XV Bolo, the Mark XXI was a very diverse mark. It contained a Mark XXI/I stealth forward reconnaissance unit, and a 20,000-ton heavy bolo. Year: 2869 Weight: varies Road Speed: varies Sprint Speed: varies Main Armament: 1 60cm Hellbore, varying VLS Missile System Secondary Armament: 16 Ion-Bolt Infinite Repeaters, 4-8 30 Breech-Loading Mortars Indirect Fire: varies Limited Self-Awareness Other Bolos from same time period: none