Operation Nanook was an Arctic expedition undertaken by the United States Navy in 1946. It consisted of USS Norton Sound (AV-11), USS Atule (SS-403), USCGC Northwind (WAG-282), USS Alcona (AK-157), USS Beltrami (AK-162), and USS Whitewood (AN-63).[1] The mission is mostly documented as cartographic in nature.
From 22 July to 5 August 1946, all activities in Operation Nanook centered on Thule; Norton Sound remained at anchor there, in North Star Bay, servicing her two PBM's. Meanwhile, Whitewood and Atule operated from North Star Bay as they conducted exercises and tests in the Smith Sound-Kane Basin area. On 5 August 1946, Norton Sound and Whitewood headed for Dundas Harbour, Nunavut and Devon Island, in order to attempt air and surface operations there. Unfortunately, the ships found the harbor iced over, with a belt of pack ice extending out three miles down the coast. The Northwind broke ice in support of Operation Nanook.
On 4 July 1946, Atule headed for the frozen north as a member of Operation "Nanook". The purpose of this mission was to assist in the establishment of advanced weather stations in the Arctic regions and to aid in the planning and execution of more extensive naval operations in polar and sub-polar regions. In company with Norton Sound (AV-11), Whitewood (AN-63), Alcona (AK-157), Beltrami (AK-162), and USCG Northwind (WAG-282), Atule was to transport supplies and passengers, conduct reconnaissance of proposed weather station sites, train personnel, and collect data on Arctic conditions.