As tensions continue to escalate over the war in Ukraine, Putin’s most senior naval commander says Russia is now in an 'extremely high' state of readiness to fire nuclear weapons

The Russian and Western nuclear industries remain dependent on each other, a situation that has shielded Russia from European sanctions, an industry report said on Thursday.

The Chukchi Sea is the one that bounds the United States. It is in the north of the Bering Strait, a waterway separating Russia's Chukchi Peninsula to the west and Alaska to the east, connecting the Pacific Ocean to the south and the Arctic Ocean to the north.