 Tupolev appointed his deputy for weapon systems, Aleksandr Nadashkevich, as the head of the Topic.Subsequent analysis indicated that to carry such a heavy, concentrated load, the Tu-95 bomber carrying the Tsar Bomba needed to have its engines, bomb bay, suspension and release mechanisms seriously redesigned.The Tsar Bomba's dimensional and weight drawings were passed in the first half of 1955, together with its placement layout drawing.