The U.S. Coast Guard responded to two Chinese research ships operating offshore Alaska between Sunday and Tuesday August 31 to September 2, 2025

On Tuesday, the Coast Guard responded to the Chinese-flagged research vessel JIDI operating approximately 265 miles northwest of Utqiagvik, Alaska.

On Sunday, August 31, the Coast Guard responded to the Liberia-flagged Chinese research ship, Zhong Shan Da Xue Ji Di approximately 230 miles north of Utqiagvik.

Both vessels were operating over the delineated U.S. Extended Continental Shelf and are two of five similar Chinese vessels that have recently been operating in the region.

For both instances, the Coast Guard Arctic District deployed U.S. Coast Guard Cutter Healy (WAGB-20) to monitor and query the vessels.

An HC-130J Hercules fixed wi

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