"Russia has delivered to Iran a large number of military equipment, which, of course, needs maintenance, maintenance routine. Simultaneously, Russia has been prepared by Iranian experts, who can guarantee them to perform. This training was provided by the contracts for the supply of equipment," — said the first Deputy Chairman of the Federation Council Committee on defense and security.

According to him, the training was conducted in full compliance with international standards.

Earlier on Sunday, 13 August, the German newspaper, citing sources in Western intelligence services reported that in June the plane from Iran has twice made the flight to the airbase Hamim in Syria, where deployed Russian viagraprice. The Board delivered the components of the arms, which then should be transported to Russia for maintenance. The publication points out that it violates adopted by the UN security Council in 2015 resolution 2231.