U.S. Air Force bombers have returned to their American base following a series of NATO exercises to test alliance readiness to the threat posed by Russia, as a Newsweek map shows the strategic Arctic ...

The Arctic Ocean (Figure 1), the smallest of the world's five major oceans ... New grid of Arctic bathymetry aids scientists and map makers, Eos Trans., 81(9), 89, 93, 96 (2000).