The senior U.S. defence official said Washington and its allies were discussing Ukraine’s longer term needs, such as air defences, and whether it might be appropriate to give Kyiv fighter aircraft in the “medium to longer term.” Read also: Slovakia considers transferring its MiG-29 jets to Ukraine To date, the United States and its allies have declined to do so. At the same time, some western officials have been emboldened by Ukraine’s progress, saying that recent advances have bolstered the ...