WATCH: U.S. military officials say Ukraine has asked Western partners for air defense aid

The top U.S. military officer said Wednesday Ukraine has asked its Western partners to provide a complete air defense system to protect it against Russian planes and missiles.

Watch the briefing in the player above.

The request comes in light of Moscow’s barrage of long-range strikes launched on major Ukrainian cities on Monday which killed 19 people.

General Mark Milley, chairman of the U.S. Joint Chiefs of Staff, spoke alongside U.S. Secretary of Defense Lloyd Austin at NATO headquarters in Brussels following a meeting of the Ukraine Contact Group.

Milley said any integrated defense system would provide control of “priority targets” rather than the entirety of Ukrainian airspace.

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Austin said it was still yet to be determined which missile systems would be provided and how quickly they could be shipped to Ukraine.

At NATO headquarters in Brussels, U.S. Gen. Mark Milley, chairman of the Joint Chiefs of Staff, said that Ukraine wants its Western partners to provide it with a complete air defense system to defend against Russian planes and missiles.

The Ukraine Defense Contact Group is a gathering of about 50 nations which meets regularly to assess Ukraine’s needs and drum up equipment.