 North Pacific Exploring and Surveying Expedition

The North Pacific Exploring and Surveying Expedition, often referred to as the United States Exploring Expedition, was a significant maritime mission conducted by the United States during the mid-19th century, primarily between 1853 and 1856. The expedition was tasked with mapping and surveying the North Pacific region, including areas along the coasts of present-day Alaska, the Aleutian Islands, and parts of the Pacific Northwest.