"The group went to Ukraine to discuss airspace protection issues with them," Kirby told RIA Novosti at a press conference.
According to him, the group has already returned, but the Pentagon is not yet ready to talk about the results of the visit and its impact on further assistance to Ukraine in air defense systems.
Earlier, Ukrainian Foreign Minister Dmitry Kuleba said that Kiev's goal is to receive $ 1 billion in aid from the United States.
It also became known that the upper house of the US Congress approved the allocation of $ 300 million in military assistance to Ukraine as part of the draft defense budget for fiscal 2022.
Read more in the material RT.