The defense ministries of Russia and Belarus signed a contract in Minsk on Saturday, under which Belarus will receive Russia's S-300 air defense missile systems, the Interfax news agency reported.

"The missile systems will be of the S-300PS modification," and will arm one air defense brigade, a source of Belarussian Defense Ministry was quoted as saying.

Under the terms of the contract, the S-300 missile systems willbe on duty for common air-defense of Russia and Belarus, accordingto the source.

The Russian-made S-300PS missile system is one of the most advanced air-defense missile systems in Russia and also one of themost demanded weapons in the world weapon market.

Russia before sold the missile systems to Belarus, Armenia, Ukraine, Kazakhstan and other countries.

The dates for delivering the missile systems to Belarus have not been discussed, the Belarussian source said.

Source: Xinhua