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 Su-24 forces, split 321 with the Russian Air Force and 94 with the Russian Navy. The Russian Air Force will eventually replace the Su-24 with the Sukhoi Su-34. The Soviet Union used some Su-24s in the Soviet–Afghan War, with an initial round of strikes in 1984 and a second intervention at the end of the war in 1988. No Su-24 were lost. On October 13, 1990, Syrian Air Force jets entered Lebanese air space in order to strike General Michel Aoun's military forces. Seven Su-24 jets were used in this operation. During Operation Desert Storm, the Iraqi Air Force evacuated 24