what's inside a nuclear bomb

Tail fins

Steel gun breech assembly

detonator

Cordite (conventional explosive)

"Projectile" Uranium-235, six rings (26 kg) in a thin steel container

Baro sensing ports and manifold

Outer wall of the pump

Arming and fusing equipment

Canyon revolver, steel, diameter 10 cm, 200 cm long

Interconnecting wires

Tamper assembly, steel

"White" Uranium-235, two rings (38 kg)

Tamper / reflector assembly, tungsten carbide

Neutron initiator

Archie fuzing radar antennas

Accommodation for the boron safety device