Russia’s threat to retaliate against US-Japan naval exercises shows it’s getting jumpy, analysts say | CNN- Source: CNN " data-fave-thumbnails="{"big": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/220417075511-essing-japan-defense-pkg.jpg?c=16x9&q=h_540,w_960,c_fill" }, "small": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/220417075511-essing-japan-defense-pkg.jpg?c=16x9&q=h_540,w_960,c_fill" } }" data-vr-video="false" data-show-html="" data-byline-html=" " data-check-event
