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May 21, 2025May 21, 2025

ABOUT THE AUTHOR

Colin Zwirko

Colin Zwirko

Colin Zwirko is a Senior Analytic Correspondent for NK News based in Seoul. He joined the company in 2018 after receiving a master's degree in international security and foreign policy from South Korea's Yonsei University. Follow him on Bluesky / Twitter.

Analysis

North Korea poised to test more weapons in months ahead as 5-year deadline looms

‘Super-large’ nuke warhead and submarine-launched ICBM among unfinished items on Kim Jong Un’s military wishlist

Colin ZwirkoColin ZwirkoMay 13, 2025
State Media Review

North Korean denounces US exercise simulating nuclear attack on mainland

An in-depth analysis of criticism of ICBM defense drill, a DPRK weapons official’s promotion and May Day celebrations

News

North Korean missile test simulates nuclear attack on US-ROK forces: State media

Kim Jong Un oversaw Thursday test of short-range missiles and command and control systems, state media reports

Colin ZwirkoColin ZwirkoMay 9, 2025
News

North Korea conducts first ballistic missile test in 2 months: JCS

Launch of ‘multiple’ missiles from east coast follows several arms factory inspections by leader Kim Jong Un this week

Colin ZwirkoColin ZwirkoMay 8, 2025
News

Kim Jong Un calls for increased artillery production amid mass exports to Russia

North Korean leader also demands major reconstruction of plant building weapons manufacturing equipment

Colin ZwirkoColin ZwirkoMay 7, 2025
Investigations

North Korea appears to expand Kim mansion missile test site with new launchpads

Imagery points to work to conceal new infrastructure at sprawling compound in Pyongyang, in sign of more testing to come

Colin ZwirkoColin ZwirkoMay 6, 2025
News

Kim Jong Un calls for mass-producing newest tanks in visit to upgraded factory

KNCA report marks first confirmation that Kusong factory also produces nuclear missile launchers

Colin ZwirkoColin ZwirkoMay 5, 2025
Investigations

North Korea overhauling more prisons in apparent nationwide project

NK Pro has identified upgrades at 7 existing ‘reeducation’ facilities as well as construction of brand new prison

Colin ZwirkoColin ZwirkoMay 5, 2025
Analysis

North Korea prioritizes shipyard construction as major naval base project stalls

Imagery shows work hasn’t begun on east coast base set to host new destroyer, despite Kim Jong Un’s demand for upgrades

Colin ZwirkoColin ZwirkoApril 30, 2025
News

North Korea tests missiles from new warship, including new ‘supersonic’ weapon

Kim Jong Un oversees initial trials for destroyer that provide first look at cruise missile with dolphin-nose design

Colin ZwirkoColin ZwirkoApril 30, 2025
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