The impending transfer of older Russian-made planes to be used in combat against Russian forces is the most significant moment yet in a wave of promised arms transfers over the past 24 hours that includes thousands of anti-armor rockets, machine guns, artillery and other equipment.

It’s not clear just yet what countries are donating the jets, but European Union Security chief Josep Borrell over the weekend pledged to transfer the fighter planes from multiple countries…

The Ukrainian parliament on Monday tweeted that Europe was sending 70 fighter planes to Ukraine, including 28 MiG-29s from Poland, 12 from Slovakia and 16 from Bulgaria, along with 14 Su-25s from Bulgaria.