certainly, i think for the united states, an important part of improving ukrainian security would be for us to have our strategy for greater black sea region. so much of the conversation goes bach to ukraine as if it's an island somewhere, but it's in a region where we have three nato allies -- turkey, romania, and bulgaria -- there's huge economic potential for the region as a connector between europe and eurasia, so a longer-term relationship with ukraine that is not only about security cooperation but also diplomacy and economic investment, that would be a part of it. we've done -- i think the department of defense has done a great job helping ukraine with their training at brovary, working with other allies, canadians in particular, helping ukraine over the years. but a longer-term strategy for helping them modernize and get where they want to be, after what i've seen in last five