The U.S. Coast Guard Cutter Kimball, right, and a Japanese naval training vessel travel near the island of Unalaska in 2021. The Kimball intercepted a group of Chinese military vessels operating near the Aleutian Islands last weekend. (U.S. Coast Guard)
The U.S. Coast Guard Cutter Kimball, right, and a Japanese naval training vessel travel near the island of Unalaska in 2021. The Kimball intercepted a group of Chinese military vessels operating near the Aleutian Islands last weekend. (Courtesy/U.S. Coast Guard)

The Chinese warships weren’t showing up on civilian radar. 

But the American commercial fishing fleet could still tell that something strange was happening in the Aleutian Islands last weekend.

Crew on the fishing vessels picked…