Acknowledged: Britain, China, France, India, Pakistan,
Russia, United States
Seeking: Iran, North Korea (1)
Abandoned: South Africa—Constructed but then voluntarily
dismantled six uranium bombs. Belarus, Kazakhstan, Ukraine—When
Soviet Union broke up, these former states possessed
nuclear warheads that they have since given up.
1. In Dec. 2002, North Korea revealed that it had violated
its 1994 agreement to freeze its nuclear weapons program
and has been developing a nuclear bomb. On April 24,
2003, North Korea announced it possessed a nuclear bomb
but this claim has not been verified.