U.S. Defense Secretary Ash Carter will visit Europe this week to urge NATO allies to adapt to a new kind of threat from Russia in the east and Islamic State to the south.
Voice of America: Carter to discuss new European defense posture
A soldier of the NATO Response Force (NRF) attends a massive amphibious landing of NATO troops off the coast of Ustka, northern Poland, during NATO military sea exercises BALTOPS (Baltic Operations) on June 17, 2015 in the Baltic Sea.