I think early reluctance had a lot to do with expecting anything advanced or large that was sent to be destroyed, or to be irrelevant by the time it could be br

I think early reluctance had a lot to do with expecting anything advanced or large that was sent to be destroyed, or to be irrelevant by the time it could be brought into use (time to get it there, training time, then time to move it into a useful position). That they think Ukraine will still be able to field aircraft by the time this transfer is done, is itself interesting.