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June 01, 2025Jun 01, 2025

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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.

More articles by 'Colin Zwirko'

Kim Jong Un leads artillery drills after conference on lessons from Ukraine war

Kim Jong Un leads artillery drills after conference on lessons from Ukraine war

North Korean leader also heads Central Military Commission meeting, but state media doesn’t mention warship disaster

Kim Jong Un leads artillery drills after conference on lessons from Ukraine war
Colin Zwirko
Colin Zwirko May 30, 2025
Kim Jong Un pushes ahead with megayacht maintenance, days after warship disaster
NK PRO

Kim Jong Un pushes ahead with megayacht maintenance, days after warship disaster

Satellite imagery shows luxury vessel in use a day after failed launch, as two others active at mansion beach

Kim Jong Un pushes ahead with megayacht maintenance, days after warship disaster
Colin Zwirko
Colin Zwirko May 29, 2025
North Korea digitally added extra drones to air drill photo, analysis suggests
NK PRO

North Korea digitally added extra drones to air drill photo, analysis suggests

NK Pro discovery of fake combat UAVs in Kim Jong Un image points to effort to make DPRK drone program seem more advanced

North Korea digitally added extra drones to air drill photo, analysis suggests
Colin Zwirko
Colin Zwirko May 27, 2025
North Korea arrests more officials in capsized warship probe: State media

North Korea arrests more officials in capsized warship probe: State media

KCNA reports work on track to turn the destroyer upright, but satellite imagery suggests job not yet done

North Korea arrests more officials in capsized warship probe: State media
Colin Zwirko
Colin Zwirko May 26, 2025
North Korea poised to test more weapons in months ahead as 5-year deadline looms
NK PRO

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

North Korea poised to test more weapons in months ahead as 5-year deadline looms
Colin Zwirko
Colin Zwirko May 13, 2025
North Korean denounces US exercise simulating nuclear attack on mainland
NK PRO

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

North Korean denounces US exercise simulating nuclear attack on mainland
North Korean missile test simulates nuclear attack on US-ROK forces: State media

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

North Korean missile test simulates nuclear attack on US-ROK forces: State media
Colin Zwirko
Colin Zwirko May 9, 2025
North Korea conducts first ballistic missile test in 2 months: JCS

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

North Korea conducts first ballistic missile test in 2 months: JCS
Colin Zwirko
Colin Zwirko May 8, 2025
Kim Jong Un calls for increased artillery production amid mass exports to Russia

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

Kim Jong Un calls for increased artillery production amid mass exports to Russia
Colin Zwirko
Colin Zwirko May 7, 2025
North Korea appears to expand Kim mansion missile test site with new launchpads
NK PRO

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

North Korea appears to expand Kim mansion missile test site with new launchpads
Colin Zwirko
Colin Zwirko May 6, 2025
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