Event Brief
Taiwan’s Hai Kun submarine enters sea trials for replacement
By The BriefBrief · Sources (1)
Filed: Sep 18, 2026 at 4:00 PM ET
Summary: Taiwan’s Hai Kun-class submarine, built to replace two World War II-era GUPPY boats, is undergoing sea trials after being laid down at CSBC in 2021 and going to sea for tests in 2024. The article says unconfirmed reports point to service in 2027, while additional funding for more submarines depends on the outcome.
WHO: Taiwan
WHAT: Hai Kun-class submarine replacement continues sea trials; further submarine funding waits on results
WHEN: Jan 1, 2026
WHERE: Taiwan
WHY: Funding for additional submarines is contingent on the results of the sea trials.
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