ukrainian partners. so we have done that through our security assistance. but hwhen you look at what the ukrainians need in terms of taking on the assault they're enduring from the russian federation, you heard this from the department of defense yesterday, what they need are surface to air systems, we have already provided a good number of those, we're going to provide even more. and we're developing options to provide different systems. these are the systems that are going to be responsive to the threat that ukraine is under right now. you have to remember that much of the destruction isn't the result of russian aircraft. and ukrainian aircraft could shoot down russian aircraft. but the destruction, the vast majority of it is the result of russian rockets, russian missiles, russian munitions, and so as you heard from the department of defense yesterday, what aour ukrainian partner nee are surface to air systems. that's what we have provided and we will continue to provide going forward. >> let's talk about economic