The South Korean president told lawmakers Thursday that the peninsula is approaching "the historic starting line" for peace.
Using nuclear weapons against major storms has been proposed before.
An array of animals and habitats flourished at six former weapons complexes — mostly for nuclear and chemical arms.
The name is insensitive to people still dealing with the impacts of radiation decades later, islanders said.
Washington and Moscow walked out of the Intermediate-range Nuclear Forces treaty that Reagan and Gorbachev signed in 1987.
Boeing Co. says it is out of the running to develop the U.S. Air Force's Ground Based Strategic Deterrent missile.
The memo was written after a failed attempt to persuade the U.S. not to abandon the Iran nuclear agreement.
NATO Secretary-General Jens Stoltenberg says Russia is showing no sign of respecting a major Cold War-era missile treaty.
North Korea's leader Kim Jong-Un will visit Russia for talks with Vladimir Putin this month, the Kremlin said Thursday.
The decision was revealed in a recent Department of Energy letter to the Federation of American Scientists.