F-16s Raise Questions about the Future of Ukraine Aid

After sitting on Ukraine’s requests for months, the Biden administration reversed course last week by formally greenlighting the transfer of F-16s to the war-torn country from Denmark and the Netherlands’ arsenals. On Thursday, Norwegian Prime Minister Jonas Gahr Stoere announced plans to do the same. Ukrainian President Volodymyr Zelensky has welcomed the news, but analysts say the yearlong delay in allowing the U.S.-made aircraft to reach the battlefield—a process likely to take months—risks prolonging the conflict at a crucial juncture. 

That’s bad for Ukraine’s current prospects, but could be even...