<Li> Shakti III--An experimental linear implosion design that used "non-weapon grade" plutonium, but which likely omitted the material required for fusion, yielding 0.3 kt . </Li> <Li> Shakti IV - A 0.5 kt experimental device . </Li> <Li> Shakti V--A 0.2 kt experimental device . </Li> <P> An additional, sixth device (Shakti VI) is suspected to have been present but not detonated . </P>

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