A Russian military aircraft, identified as a Tupolev Tu-214PU with registration RA-64531, landed in Tehran on Monday, July 13, amid ongoing retaliatory attacks between Iran and the United States. The plane, which took off from Moscow using the callsign RSD420, is part of Russia’s Special Flight Squadron and is equipped with advanced communication systems for senior government officials. Although often referred to as a 'doomsday plane,' it is not a nuclear command platform but rather a secure communication aircraft.

The purpose of the aircraft’s visit has not been officially disclosed, but similar flights in the past have coincided with high-level Russian delegations. The same aircraft previously visited Tashkent in June during Russian Prime Minister Mikhail Mishustin’s meeting with Uzbek leaders, and Tehran in February ahead of visits by Russian Energy Minister Sergei Tsivilev and Foreign Minister Sergei Lavrov. Russian state media reported that Iran’s Foreign Ministry has confirmed Lavrov’s possible upcoming visit to Tehran.

Analysts suggest the current flight may be linked to preparations for another high-level Russian diplomatic mission to Iran.