But the Biden administration sees no immediate threat of a North Korean attack.
The tenuous relationship between North and South Korea deteriorated further after Pyongyang’s illegal launch of a satellite in November.
Top defense officials from 18 countries condemned North Korea’s nuclear and missile programs and pledged to respond to any attack that threatens South Korea.
It is the first time that Washington had accused Pyongyang of such large-scale assistance to Moscow.
The North Korean and Russian leaders called for stronger cooperation during a meeting that had a heavy focus on military issues.
Nongovernmental leaders in nuclear nonproliferation and disarmament, as well as high-level former government officials, scientists, and downwinders are calling on governments take urgent action to counter growing threats to the Comprehensive Nuclear-Test-Ban Treaty and the de facto global nuclear test moratorium.
In a rare appearance at the UN Security Council, North Korea’s ambassador accused the United States of pushing the region to the “brink of nuclear war.”
North Korea violated UN Security Council resolutions when it tried to launch its first military reconnaissance satellite, but the Council declined to take any action.
Nuclear physicist Siegfried S. Hecker argues that there were at least six hinge points in the last 20 years when outcomes with North Korea could have been vastly different if different choices had been made.
North Korea said it will take decisive action in response to the decision by the United States and South Korea to enhance their nuclear deterrence consultations.
Russia terminates New START data exchanges with the United States. Facility for tactical nuclear weapons in Belarus to be completed by July, according to Russia. U.S. lawmakers want more nuclear weapons to counter China.
Preparations for a nuclear test by North Korea might be underway for the first time since 2017, U.S. intelligence agencies concluded in their annual threat assessment.
North Korea responded to U.S.-South Korean military exercises by conducting several missile launches, including a new sea-launched cruise missile.
The reality of dealing with a nuclear North Korea for the long term has reinvigorated the nuclear ambitions of its southern neighbor.
In response to South Korean president Yoon Suk Yeol's remarks today, board chair Thomas Countryman said the costs and risks of nuclear weapons in South Korea would outweigh, by far, any perceived benefit.