unlikely. Another Tortoise was used as a target on Lulworth Ranges, Dorset in the early 1970s. By August 1974 it was little more than a metal shell. See also Other assault tanks: Valiant tank Excelsior tank T14 Heavy Tank T28 Super Heavy Tank - A comparable US project, few prototypes built. Super-heavy tank Object 704 - A similar Soviet vehicle. It was a variant of the existing ISU 152 assault gun, but with added armour. One prototype was built. SU-100Y - another Soviet SPG intended to deal against enemy fortifications and heavy-armoured tanks Notes References Citations Bibliography Tank Heavy Assault A39, Tortoise (E1951.32) accession record at Tank Museum Armor in Focus - A39 Tortoise Heavy Assault Tank Specifications, Pictures External links Tortoise at Bovington, 1969 A39 Tortoise at World War II Vehicles Abandoned military projects of the United Kingdom Super-heavy tanks World War II tanks of the United Kingdom World War II tank destroyers