The sanctions mean that Russia has lost two more medals from its Sochi count. Some 200 athletes from Russia may compete at the Pyeongchang Games under a neutral flag.
The IOC's Olympic Athlete from Russia Implementation Group released guidelines for uniforms, accessories and equipment two weeks after the Russian team was effectively banned.
British Air Chief Marshal Sir Stuart Peach says the Kremlin's improved naval capabilities pose a risk to communications and Internet cables that would be an economic catastrophe if severed.
"They undermine their own nation," Russian President Vladimir Putin said of President Trump's American critics. The news conference went on for nearly four hours.
More than two months after a mysterious radioactive cloud was detected over Europe, Russia's nuclear industry denied that a nuclear reprocessing plant was the source of the plume of ruthenium-106.
"Without any doubt, we will not declare any blockade, we will not prevent our Olympians from taking part," Russian President Vladimir Putin said one day after the IOC's decision.
Taking his time in Russia's two high offices into account, President Vladimir Putin is already one of the country's longest-serving leaders in the past 100 years, second only to Josef Stalin.
The decision by the International Olympic Committee follows last year's McLaren report, which said more than 1,000 Russian athletes were involved in manipulating doping controls.
Western scientists say they may never know the source of the cloud of ruthenium-106 that hovered over Europe last month. But what little data there is suggests a research facility inside Russia.
The World Anti-Doping Agency says Russia's official sports drug-testing lab doesn't meet guidelines, placing in doubt the country's participation in the Winter Olympics.