(Birobidzhan and Yuzhno-Sakhalinsk) and air defense unit stationed in the Jewish Autonomous Region in the Eastern Military District 28th Air defense Brigade (Mirny / Kirov oblast) in the Central Military District Modernization of all S-300V to the version S-300V4 was to end in 2012. : The S-300VM "Antey-2500" missile system was ordered in 2014, as part of a multi-billion Egyptian-Russian arms deal signed later that year. The $1 billion contract comprises 4 batteries, a command post, and other external elements. In 2015, Russia started delivering the system components, and Egyptian soldiers began their training in Russian training centers. By the end of 2017, all batteries were delivered to Egypt. Russia is in talks with Egypt on the delivery of additional Antey-2500 systems. : 2 S-300VM in 1 air defense battalion at Base Aérea Militar Capitán Manuel Ríos : 6 S-300VM Regiments. 18 Launchers in each regiment. Bought in late 2006. Potential operators : In November 2015 Algeria was negotiating the purchase of several battalions of this system. Failed bids : Turkey was in talks with Russian officials for a co-production deal before the Sukhoi Su-24 shootdown incident. : Russia has offered Saudi Arabia the S-300VM as the first operator. See also List of medium-range and long-range SAMs S-300 missile system S-350 missile system S-400 missile system S-500 missile system Arrow (Israeli missile) Medium Extended Air Defense System Ground-Based Midcourse Defense References External links S-300VM "Antey-2500" (SA-12 Giant/Gladiator) at the Vestnik PVO website S-300VM Antey-2500 SA-23 Gladiator Giant air defense missile system (Army recognition) Surface-to-air missiles of the Soviet Union Missile defense Anti-ballistic missiles of Russia Surface-to-air missiles of Russia Almaz-Antey products Military equipment introduced in the 2010s