Details the work of the U.S. Coast Guard in the international sea lanes of the
Northern Pacific[North Atlantic], where icebergs are a constant threat to passenger and cargo ships. USCG patrol vessels track ice formations, assisted by B-17 aircraft. Features footage of the famed liner Queen Mary and USCGC Mendota (WHEC-69), an Owasco class high endurance cutter. Mendota was scrapped in 1974.
Cruise ships have changed, too.