You say that ukrainians did not want to be invaded?? Then perhaps they should have avoided the following:
Pentagon Press Secretary Air Force Brig. Gen. Pat Ryder Holds a Press Briefing August 22, 2023
As it relates to Ukrainian pilot F-16 training in the U.S., we are prepared to support a training effort here in the continental United States if capacity is reached in Europe. I don’t have any specifics to provide right now in terms of which bases that training could occur at.