“We need to make sure that we provide them with opportunities to replenish their air defense systems if they are destroyed.

This is an ongoing work, we will continue to replenish their stocks of systems that we provide them with: small, medium and, most importantly, long-range air defense systems.

These long-range air defense systems, such as the S-300, play a critical role, ”TASS quoted him as saying.

Austin also noted the need to supply arms to Ukraine as quickly as possible.

On April 28, American President Joe Biden asked the US Congress for another $33 billion to support Ukraine.

The new package will include about $20.4 billion in military assistance, $8.5 billion in economic assistance and $3 billion in humanitarian support.