The DEFCON Warning System™

Independent DEFCON monitoring and nuclear-threat analysis since 1984.

Korea

CIA Told Trump North Korea Can Hit U.S. In 3 Months

The Central Intelligence Agency has told President Donald Trump that North Korea could have the ability to strike major U.S. cities, even

The Other Side of the North Korean, Iranian, Hezbollah, and Yemeni Missile Threat

No one can discount the threat of nuclear war, even when the threat is still materializing and remains far lower than some

N. Korea’s Submarine Ballistic Missile Program Growing

North Korea’s submarine-launched ballistic missile program is rapidly progressing, according to commercial satellite imagery from November 11, 16 and 24. The images,

Get Ready – Here Comes Nuclear North Korea

Just a few days earlier, we issued a DEFCON update which cautioned that – just because North Korea was out of the

A Complete Timeline Of North Korea’s Nuclear Missile Tests In 2017

North Korea test-launched another ballistic missile Tuesday, according to the South Korean Joint Chiefs of Staff, after nearly two months without any

A Guide to Kim Jong Un’s Nuclear Weapons

As President Donald Trump and North Korean leader Kim Jong Un shout insults and threats at one another from across the globe,

Think Before You Act: Towards a Possible US Strike on North Korea

North Korean leader Kim Jong-un at the test launch of an intermediate range Hwasong-12 missile at an undisclosed location in North Kore

Downing North Korean Missiles Is Hard. So the U.S. Is Experimenting.

Concerned that the missile defense system designed to protect American cities is insufficient by itself to deter a North Korean attack, the

China and South Korea: Examining the Resolution of the THAAD Impasse

China and South Korea’s foreign ministries released coordinated statements at the end of last month announcing they would move to repair their

Training: Russian Forces Prepare For Nuclear Attack

Russian troops near the Black Sea coast have carried out drills for a scenario in which Russia was attacked by a chemical

Three US carriers lead naval drill aimed at N. Korea

South Korean warships joined three US aircraft carriers Saturday in an unusually strong display of naval force aimed at North Korea, whose

N.Korean Nuclear Test Site ‘Heavily Contaminated’

North Korea’s nuclear test site in Kilju, North Hamgyong Province is turning into a wasteland after six underground nuclear tests, according to