Washington does not support sending more aircraft to the Ukrainian air force and does not want them in custody, according to Pentagon spokesperson John Kirby on Wednesday.

"We don't support giving Ukraine more fighter aircraft, don't want them in our custody," Kirby told reporters.

Read more: Poland and US may give Ukraine aircraft from Soviet era

Pentagon Press Secretary John Kirby said that US Secretary of Defense Lloyd Austin spoke with his Ukrainian counterpart on Wednesday. 

"Just before coming out here, the Secretary wrapped up a phone call with the Ukrainian Defense Minister, Minister [Oleksii] Reznikov as one of his ongoing series of calls with counterparts," Kirby said. "The call really just concluded so I don’t have much context to provide for you there."

Earlier, White House spokesperson Jen Psaki revealed that Lloyd Austin, the US Secretary of Defense, Mark Milley, the Joint Chief of Staff Chairman, and other senior officials are consulting Ukraine and NATO members regarding Poland's proposal to send MiG-29 fighters to Kiev. 

Psaki said, "Secretary Austin, Chairman Milley and members of our defense department are in touch with Ukrainian counterparts NATO counterparts, discussing what are clearly logistical challenges here."