Kennon Island is a 0.3-mi-long satellite of Attu Island

Attu Island

Attu is the westernmost and largest island in the Near Islands group of the Aleutian Islands of Alaska, making it the westernmost point of land relative to Alaska and the United States. It was the site of the only World War II land battle fought on the incorporated territory of the United States ,...

 in the Near Islands

Near Islands

The Near Islands or Sasignan Islands are the smallest and westernmost group of the Aleutian Islands in southwestern Alaska.-Geography:The largest of the Near Islands are Attu and Agattu...

 group at the extreme western end of the Aleutian Islands, Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

. It is located 0.5 mi off the east side of Attu in Chichagof Bay. It was named by Lt. William Gibson

William Gibson

William Gibson is an American-Canadian science fiction author.William Gibson may also refer to:-Association football:*Will Gibson , Scottish footballer...

 in July 1855 for Lt. Beverley Kennon, U.S. Navy. Lt. Kennon served with Lt. Gibson on the schooner USS Fenimore Cooper during the North Pacific Exploring Expedition of 1854-1855 under the command of captains Caldwalader Ringgold and John Rodgers

John Rodgers (naval officer, Civil War)

John Rodgers was an admiral in the United States Navy.-Early life and career:Rodgers, a son of Commodore John Rodgers, was born near Havre de Grace, Maryland. He received his appointment as a Midshipman in the Navy on 18 April 1828...

.