 Following along the International Date Line, the ships of Operation Blue Nose sighted pack ice on the morning of 1 August 1947.After reaching 72’15’ north latitude, the ships continued independently along the ice pack to determine its shape.Before returning to her home port of San Diego, "Nereus" visited Norton Bay, Kodiak, Juneau, and Vancouver The cruise was followed by the ship's first overhaul, at Mare Island.