Length : 320cm
Diameter : 71cm
Weight : 4.5t
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『1・・・Polonium and beryllium neutron source
2・・・Uranium-235 (hollowed out the ‘‘target‘‘)
3・・・Uranium-235‘‘bullet‘‘(rammed into the ‘‘target‘‘ to create a critical mass)
4・・・Exploive
5・・・Detonator for propellant』