01 April 2024 EODMU-3 Wraps Up Operation Deep Freeze with USCG Navy Divers assigned to Explosive Ordnance Disposal Mobile Unit THREE (EODMU-3) returned from a deployment on the U.S. Coast Guard Cutter Polar Star (WAGB 10) Feb. 13.Polar Star is the U.S.’ only heavy icebreaker. Polar Star’s primary mission is to support scientific research at McMurdo Station,