The aircraft, however, have reportedly been grounded for years at Mehrabad International Airport after being used as a stockpile of parts for other jets

The deal has been the subject of rumors for years, including the delivery of the first supersonic jets in last November

A private ceremony was held at the KnAAPO plant in Komsomolsk-on-Amur on November 18 and the aircraft were transported by an An-124 to Tehran, according to Flug Revue

The country's media claimed that Russia would send the first batch of 4.5 generation fighters in the coming days, but reports were later deleted

Linked to Iran's Revolutionary Guards, Tasnim cited Deputy Defense Minister Brigadier General Mahdi Farahi, who said the agreements had been finalized with Russia

Two aircraft were presented in the country and would be a counterpart for sending Shahed drones used by Russia in attacks on Ukraine

Fighter jets would be part of a deal with Russia that also includes missile systems and helicopters