This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Defense.gov News Photo NV. en Crew members of the attack submarine USS Pogy SSN assemble topside deck enclosure to provide protection from the Arctic elements after the sub surfaced through inch thick layer of Arctic ice flow The submarine is on day research mission to the North Pole Seven scientists and technical advisors are conducting