Geographic location
Pacific
57
Raleigh
28
Arctic
26
Arctic Ocean
25
Baffin Bay
21
Greenland
21
Canada
19
Indian
18
Western Basin
14
Bering Sea
11
Hudson
11
Nicholson
10
Shaytanov
10
Norwegian Sea
7
Yukon
7
Bedford
6
Davidson
6
Skeena
6
Caron
5
John Rodgers
5
Kononov
5
Nikolay
5
Pratt
5
Scripps
5
Gulf of Alaska
4
Hennessey
4
Chandler
3
Chukchi Sea
3
Elliot
3
Kattegat
3
Palisades
3
Yankee
3
Argentina
2
Atkinson
2
Barents Sea
2
Byrd
2
Crawford
2
Hudson Bay
2
Long Beach
2
McArthur
2
Nantucket
2
New Zealand
2
Norway
2
Polar Star
2
Reeves
2
Sandy Hook
2
St. Louis
2
Theodore
2
Wave Peak
2
Adak
1
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