in 1956 however Sven Berge of the Swedish Arms Administration proposed Alternative-S, a much different solution to the problems faced by the Swedish ground forces, as part of the centurion purchase the UK had provided volumns of data from World War II and Korean War tank engagements. 5/?

this data showed that a full half of all tank "kills" were due to hits on the turret and turret ring, lower shots on the hull were much more rare, these stats also showed the chances of being hit were largely due to the tanks height. 6/?