03:41 GMT +320 August 2019
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    In August 2007, a battalion in Elektrostal near Moscow became the first military unit to receive S-400 Triumf (SA-21 Growler) surface-to-air missile systems after official state acceptance. These SAMs have been guarding Moscow Region air space ever since.

    In August 2007, a battalion in Elektrostal near Moscow became the first military unit to receive S-400 Triumf (SA-21 Growler) surface-to-air missile systems after official state acceptance. These SAMs have been guarding Moscow Region air space ever since.

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