underway. and new details from the pentagon on the isis-k bombing at the kabul airport that killed 13 american soldiers and at least 170 afghan civilians in august. arthel: alexandria hoff is at the white house, christina coleman is in los angeles on the olympic outcry, but first, lucas tomlinson live in the ukrainian capital of kiev. lucas. >> reporter: russian forces have fully assembled all their personnel to launch a full scale invasion if russian president putin gives the order. this as secretary of state tony blinken hosts his polish counterpart as nearly 2,000 paratroopers arrived in poland. [inaudible conversations] >> but if it does not, we are fully prepared for the alternative. >> reporter: keep in mind when