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An S-300 air defense missile system launches a missile during Russia's International Army Games in 2017.
An S-300 air defense missile system launches a missile during Russia's International Army Games in 2017.
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Polar Start icebreaker
CGC POLAR STAR plows through ice in Antarctic waters. The Polar Star is currently the United States' only operational heavy icebreaker.
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Eight thousand troops perform military exercises like hauling artillery, deploying attack helicopters, and parachuting into Alaska's Arctic tundra. Here's a closer look at their training and who they're preparing to battle.

Tech Insider : Economy, Economy
Russian President Vladimir Putin is seen on the screen riding a train across the bridge linking Russia and Crimean Peninsula at Taman railways station on December 23, 2019 near Anapa, Russia.
A screen showing Russian President Vladimir Putin riding a train across the bridge linking Russia and the Crimean Peninsula at Taman railway station near Anapa, Russia, in December 2019.
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Fire at a Russia oil refinery
Smoke can be seen coming out of a Russian oil refinery in Ryazan on Wednesday following a barrage of drone strikes from Ukraine.
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Kharkiv Region Bolsters Defenses With New Fortifications
KHARKIV REGION, UKRAINE - MARCH 12: Workmen take a break while preparing trenches on the new defensivee line on March 12, 2024 in Kharkiv region, Ukraine. Ukraine has accelerated the building of fortifications, making reinforced dugouts on the second line of defense, setting up anti-tank obstacles, ditches, and trenches for infantry.
Tech Insider : Economy
Russia China summit
Russian Prime Minister Mikhail Mishustin meets with China's President Xi Jinping in Beijing on May 24, 2023.
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U.S. Army Sgt. Juan Ramirez, assigned to 5th Squadron, 1st Calvary Regiment, pulls security during Joint Pacific Multinational Readiness Center 24-02 at Donnelly Training Area, Alaska, Feb. 18, 2024.
U.S. Army Sgt. Juan Ramirez, assigned to 5th Squadron, 1st Calvary Regiment, pulls security during Joint Pacific Multinational Readiness Center 24-02 at Donnelly Training Area, Alaska, Feb. 18, 2024.