icebreaker

Rae Ellen Bichell / KPLU

Following a 108-day trip to Antarctica, Seattle-built icebreaker Polar Star returned to its homeport at the U.S. Coast Guard base in Elliott Bay Friday.

The vessel, with its 75,000 horsepower, cut a path for a tanker and cargo ship to deliver supplies to a U.S. research station ahead of the coming Antarctic winter.