Russian culture jet Tupolev Tu-144 by Alexei Tupolev, MiG fighter aircraft series by Artem Mikoyan and Mikhail Gurevich, and Su series by Pavel Sukhoi and his followers. MiG-15 is the world's most produced jet aircraft in history, while MiG-21 is most produced supersonic aircraft. During World War II era Bereznyak-Isayev BI-1 was introduced as the first rocket-powered fighter aircraft, and Ilyushin Il-2 bomber became the most produced military aircraft in history. Polikarpov Po-2 "Kukuruznik" is the world's most produced biplane, and Mil Mi-8 is the most produced helicopter. Famous Russian battle tanks include T-34, the best tank design of World War II,
Sukhoi/HAL FGFA Sukhoi's director Mikhail Pogosyan stated: "We will share the funding, engineering and intellectual property in a 50–50 proportion", in an interview with "Asia Times". On 11 September 2010, it was reported that India and Russia had agreed on a preliminary design contract, subject to Cabinet approval. The joint development deal would have each country invest $6 billion and take 8–10 years to develop the FGFA fighter. In December 2010, a memorandum of understanding for preliminary design of the Indo-Russian fighter was reportedly signed between Hindustan Aeronautics Ltd (HAL), and Russian companies Rosoboronexport and Sukhoi. The preliminary design will cost $295