ukrainians time to get familiar with the platform, be able to employ the platform and also get familiar with the avionics plus it would also have allowed them to train maintenance trips as well as the intelligence forces and radar operators in order to effectively employ this weapons system and a combined arms manor and that would be the kind of thing that would have been necessary. at this point, we are going to be racing against the clock in several different ways and that will be very tough. >> the u.s. has spent about $100 billion pledged in aid to ukraine. zelenskyy said he will appoint a new leader. now there has been to purges of officials for corruption most recently tied to -- procurement. so how big of an issue is this? >> absolutely huge both inside and outside of ukraine. the world is watching how ukrainians are conducting