overall the president's presence is i a big takeaway from the trip, showing solidarity, coming to visit not just here but going to poland, which has taken in 2 million refugees since the invasion started. it comes as the white house is offering a blunt warning about what's to come. this is not a war that will end easily or rapidly. this could drag out for some time. . >> you said maybe an announcement on forced posture. what would that mean? >> reporter: it's far from clear what we would see. we heard from jake sullivan. they believe the current forced posture they believe they need. that was made by defense secretary lloyd austin, who will be traveling with president biden. whether that is something they feel they need to make more of, change or longer term remains to be seen. it is on the table in the