SSBN 611 History
under ice pack in Greenland Sea on August 9th; surfaced through
the ice 9 times; returned to Greenland Sea on 19 AUG 1958
USS Skate crossed "under" the North Pole. Submerged under ice pack in Greenland Sea on August 9th; surfaced through the ice 9 times; returned to Greenland Sea on August 19, 1958.
From "Nuclear Powered Submarines", November 1964, United States Atomic Energy Commision/Division of Technical Information





