The Coast Guard warned of "increased Chinese research vessel activity" in the U.S. Arctic following the sightings of at least two vessels in the region.

Chinese icebreaker Xue Long 2 entered a sensitive U.S. Arctic zone, triggering a fast response from the U.S. Coast Guard near Alaska. The vessel was seen operating inside America’s Extended ...

The U.S. Coast Guard said it monitored and responded to foreign government vessel activity in and near U.S. waters.