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June 13, 2025Jun 13, 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.

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
News

North Korea launches largest new warship, states aim to sail beyond peninsula

Kim Jong Un blames US for rising tensions at ceremony for new 5,000-ton destroyer equipped to carry over 70 missiles

Colin ZwirkoColin ZwirkoApril 26, 2025
Investigations

North Korea building first new large prison in decades in sign of rising ‘crime’

Exclusive NK Pro analysis finds new construction is part of at least five major prison projects ongoing around country

Colin ZwirkoColin ZwirkoApril 10, 2025
Analysis

North Korea’s ‘new’ sniper rifle likely Austrian import or copy: Analysis

Rifle tested by Kim Jong Un ‘appears identical’ to Austrian-made model, says expert, but company denies any link to DPRK

Colin ZwirkoColin ZwirkoApril 8, 2025
North Korea News Podcast

Return of the Pyongyang marathon and North Korea’s military drills targeting ROK

NK News’ Colin Zwirko talks first edition of marathon since before pandemic and Kim Jong Un overseeing attack exercises