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Fuel<br />
Primary Fission Device<br />
Core: 239 Pu, 235 U,<br />
plus 2 H+ 3 H booster<br />
Shell: 238 U tamper<br />
High explosive lenses<br />
Secondary Fusion Device<br />
Radiation i channel<br />
239<br />
Pu sparkplug<br />
6 Li, 2 H, 3 Hf fusion cell<br />
238<br />
U tamper