even though we have seen nato bolster its presence on the eastern flank, this exercise was independently planned and as you said, the leader, the prime minister of norway said there were four u.s. service members who were killed as part of this exercise. they were on an aircraft that crashed during the exercise. now the united states hasn't confirmed for their part, we did hear from the u.s. marine corps who said there were four u.s. marines who were involved in an accident in norway. they haven't provided any more details or any confirmation of those who were killed in this. they said the norwegians are the ones who are leading the v investigation into this i incident. this happened as president biden is headed to the region next week. he is going to brussels for this extraordinary leaders level summit with his nato allies to talk about the ongoing war in ukraine. wolf? >> he'll be there together, all 30 nato allied leaders will be there in brussels on thursday for this truly extraordinary