New satellite imagery shared exclusively with CNN shows Russia appearing to upgrade four of its military installations in Kaliningrad, Russia's strategic outpost on NATO's doorstep.
원문출처 : https://www.cnn.com/2018/10/17/europe/russia-kaliningrad-military-buildup-intl/index.html
원문출처 : https://www.cnn.com/2018/10/17/europe/russia-kaliningrad-military-buildup-intl/index.html