exeable headquarters in germany. 8500 more remain at home on heightened alert. >> these are not troops that will go into ukraine. they are not fighting in ukraine. this is us -- this is the united states abiding by our commitment under article 5 to support reassure our partners in the region. >> after accusing the u.s. and allies of ignoring his security demands, putin plans to meet with xi jinping at the olympics and release a joint statement on what the kremlin calls shared security concerns. back in washington, no response from president biden, who spent wednesday relaunching his program to find a cure for cancer. >> i would like to see that doctor on the end there. that's the man who spent 18 months trying to save our sons' life. doctor, i love you. >> and today the white house would not say whether other eastern flanked countries requested u.s. troops' support. but the state department confirmed leaks to spanish media detailing an offer the u.s. made that putin apparently rejected.