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"In sum, we will take the necessary steps to build U.S. and NATO capabilities, posture and plans to deter Russia's destabilizing influence," McKeon said adding that U.S. is "keeping the door open for cooperation when and if Russia is willing," TASS wrote.

"We will not go back to the old Cold War playbook of having hundreds of thousands of forces in Europe. We are also mindful that we do not need to, nor should we, return to a world where we match every Russian action with a direct and mirror imaged reaction," he added.