The Prime Minister of Slovakia Eduard Heger stated in Twitter the following:
Also, there are already videos of the S-300 systems being transferred by railway to Ukraine.
Time of footage and location are not provided.
Defense Express states, that negotiations about transferring full-fledged air defense systems have intensified in late March. At that time US Assistant Secretary of Defense for International Security Celeste Wallander informed, that negotiations were being conducted with a number of countries, which have well-known to Ukrainian servicemen air defense systems to be immediately used in the battlefield against russia.
Defense Express memo: The President of Ukraine Volodymyr Zelenskyy repeatedly urged international partners to provide long-range air defense systems. In March, Slovakia preliminarily agreed to supply "S-300" in exchange for American "Patriot" as a substitute.
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