But, says the BBC's Jonathan Beale in Washington, the US is now likely to be less worried about Russian objections and more anxious to send signals to European allies like Poland that it is prepared to guarantee their protection.
Moscow's troops continue to operate deep inside the Caucasus republic.
The BBC's Richard Galpin, in the Georgian port of Poti, says Russian forces have taken control of the naval dockyard - with the apparent intent to destroy or remove Georgian military and naval equipment.
Russian forces still control Gori, which lies some 15km (10 miles) from South Ossetia and on a key route to Tbilisi, and there is also a major contingent near the town of Senaki, our correspondent says.
At a news conference, the Russian army earlier said it had seized a large depot of American-made arms near Senaki.
The crisis began when Georgia attacked South Ossetia on 7 August, sparking Russian retaliation. Scores of people have died in the fighting.
CNNShaky Cease-fire between Russia and Georgia; British Television Reporter Roughed Him Up During a Pro-Tibet Rally; Trend in Foreclosures Continues Increasing; Comedian Margaret Cho Returns to TV - 18 hrs ago
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