![]() In 1997 Russia formed the partially state-owned AVPK Sukhoy by combining the design bureau with its production plant and other affiliates. Its fifth-generation multirole S-37 Berkut air-superiority fighter (1997), had state-of-the-art electronics, forward-swept wings, and thrust vector control. In the 1990s the bureau introduced the Su-34 fighter-bomber and the redesigned Su-39 ground-attack aircraft. Perhaps the best known Sukhoy design was the versatile Su-27 air-superiority fighter (first flown 1977). After Sukhoy’s death (1975) his name was added to that of the bureau. It improved the Su-9 into the Su-11 and Su-15 fighter-interceptors. In the 1950s and ’60s OKB-51 planned and built a series of supersonic jet fighters, including the Su-7 and Su-9, which were later modified and used extensively by the U.S.S.R. The origin of Sukhoy dates to 1953, when the Soviet government allowed Pavel Sukhoy to reassemble his World War II aircraft-design team into a new bureau, which was designated OKB-51. Sukhoy formerly OKB-51, Russian aerospace design bureau that is the country’s second most important producer of jet fighters (after MiG). SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!īelow is the article summary.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians. ![]() ![]() COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives. ![]()
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