Colin Zwirko | NK News
July 16, 2024

About the author

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 Twitter.

More articles by 'Colin Zwirko'

North Korea fires suspected intermediate-range missile weeks after engine test

North Korea fires suspected intermediate-range missile weeks after engine test

Latest ballistic missile launch follows uptick in Kim Jong Un guiding weapons tests and military drills in last month

North Korea fires suspected intermediate-range missile weeks after engine test
Arius Derr
Arius Derr | Colin Zwirko April 2, 2024
Kim Jong Un building new university to train officials to support family’s rule

Kim Jong Un building new university to train officials to support family’s rule

North Korean leader tours cadre training school amid push to reform institution central to regime survival

Kim Jong Un building new university to train officials to support family’s rule
Colin Zwirko
Colin Zwirko April 1, 2024
Massive Russian cargo plane linked to missile trade flies to North Korea
NK PRO

Massive Russian cargo plane linked to missile trade flies to North Korea

Freighter and Russian government plane traveled to Pyongyang in dead of night last week, flight-tracking data shows

Massive Russian cargo plane linked to missile trade flies to North Korea
Colin Zwirko
Colin Zwirko March 27, 2024
North Korea expanding suspected uranium enrichment site, satellite imagery shows
NK PRO

North Korea expanding suspected uranium enrichment site, satellite imagery shows

Construction could increase floor space for centrifuges and comes after Kim Jong Un called for boosting nuke production

North Korea expanding suspected uranium enrichment site, satellite imagery shows
Colin Zwirko
Colin Zwirko March 26, 2024
Kim Jong Un lauds tank unit’s history of invading Seoul in headquarters visit

Kim Jong Un lauds tank unit’s history of invading Seoul in headquarters visit

North Korean leader also shown reviewing military operation plans next to maps of South Korea

Kim Jong Un lauds tank unit’s history of invading Seoul in headquarters visit
Colin Zwirko
Colin Zwirko March 25, 2024
North Korea still running COVID import center despite easing border controls
NK PRO

North Korea still running COVID import center despite easing border controls

Continued activity at pandemic-era facilities suggests authorities see political value in strong inspection regime

North Korea still running COVID import center despite easing border controls
Colin Zwirko
Colin Zwirko March 22, 2024
Kim Jong Un oversees hypersonic missile engine test: State media

Kim Jong Un oversees hypersonic missile engine test: State media

Static engine test for intermediate-range missile comes after first launch of missile system in January

Kim Jong Un oversees hypersonic missile engine test: State media
Colin Zwirko
Colin Zwirko March 20, 2024
North Korea says Kim Jong Un led salvo tests of nuclear-capable rocket systems

North Korea says Kim Jong Un led salvo tests of nuclear-capable rocket systems

Monday's test was fifth military drill overseen by North Korean leader in last two weeks

North Korea says Kim Jong Un led salvo tests of nuclear-capable rocket systems
Colin Zwirko
Colin Zwirko March 19, 2024
North Korea opens massive greenhouse complex, but makes false claims about size
NK PRO

North Korea opens massive greenhouse complex, but makes false claims about size

Claims about bulldozing major military bases to build ‘world’s largest’ farm mislead public about project, NK Pro finds

North Korea opens massive greenhouse complex, but makes false claims about size
Colin Zwirko
Colin Zwirko March 18, 2024
North Korea fires first suspected ballistic missiles in two months

North Korea fires first suspected ballistic missiles in two months

Japan’s defense ministry says DPRK fired at least three missiles on Monday morning, likely short-range

North Korea fires first suspected ballistic missiles in two months
Colin Zwirko
Colin Zwirko March 18, 2024
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