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,
Flag of the Russian-American Company the Russian-American Company, and, when you see that the enemy intends to attack you, exhort the crewmen to defend fearlessly the imperially conferred flag of the RAC and not to disgrace the glory of the Russian name…" These were the first of many "firsts" involving what was to become an increasingly symbiotic relationship between the Imperial government and the Russian-American company, which had necessitated the creation of a new commercial flag that incorporated symbols which would identify it as a State-sponsored entity. Russia, and in particular Ivan Kruzenstern, had paid close attention to other countries government-chartered commercial enterprises. Both England