The FV4601 MBT-80 was a British experimental third-generation main battle tank, designed in the late 1970s to replace the Chieftain tank. It was eventually cancelled in favour of the Challenger 1, its
Automotive test rig 2 (ATR-2) at the Bovington Tank Museum Vehicle Conservation Centre in 2014
Viking Armoured Vehicle of the Royal Marines during a demonstration at the Portsmouth International Festival in 2005.
The MBT-70 was an American–West German cancelled joint project to develop a new main battle tank during the 1960s.
MBT-80
…moving targets much easier. In 1963 the United States and West Germany started a joint project to develop a new tank to be used by both forces, the MBT-70. This combined the manoeuvrability of the Leopard with a spaced armour that would offer protection against 105 mm armour-piercing discarding sabot…
Interior arrangement. Gunner's station in right foreground, commander's station to his rear, driver's rotating capsule partially obscured in left side of turret
MBT-70 prototype test firing an MGM-51 missile
Turret weapon layout, autocannon in stowed position, barrel pointing backwards