The North proved it could build a working nuclear bomb when it carried out an underground nuclear test blast in October 2006. Details on the bombs, however, will be left to the next stage of the talks, when Pyongyang is supposed to abandon all its nuclear weapons program.North Korea's declaration also won't give a complete accounting of how it allegedly helped Syria build what senior U.S. intelligence officials say was a secret nuclear reactor meant to make plutonium, which can be used to make high-yield nuclear weapons. Israeli jets bombed the structure in the remote eastern desert of Syria in September 2007.
The North is expected in the declaration to say how much plutonium it has produced at its main reactor facility at Yongbyon.
"If we can verifiably determine the amount of plutonium that has been made, we then have an upper hand in understanding what may have happened in terms of weaponization," Rice said earlier Thursday in Japan.
Read More
