Ukraine's Military Priorities and Challenges Revealed in Pentagon Leaks.

Poland has received permission from Germany to send five MiG-29 fighter jets to Ukraine, but air-defense ammunition is a more urgent need, according to recently leaked US documents. Ukraine and its partners are scrambling to find more ammunition for Ukrainian air-defense weapons, which have been vital to denying Russia's aircraft and missiles the ability to strike at will. US officials believe that Kyiv is at risk of running out of air-defense weapons and ammunition by late spring or early summer, leaving important targets exposed to Russian attacks.