Sukhoi No. 135 in Kharkiv, Ukraine. However, Sukhoi was not satisfied with its location, since it was isolated from the scientific pole of Moscow. Sukhoi later relocated the bureau to the aerodrome of Podmoskovye in Moscow, completing half of the relocation by 1940. Sukhoi encountered another issue: the bureau had no production line in Moscow, thus making it useless as Sukhoi had nothing to do. During the German invasion of the Soviet Union in World War II, the Su-2 needed a successor as it was proved obsolete and under-armed against German aircraft, with 222 aircraft destroyed in total. Sukhoi and his
Sukhoi 78 to 98 seater, built by Sukhoi. It was unveiled at Komsomolsk-on-Amur. The maiden flight was made on May 19, 2008. In March 2008, Sukhoi was selected to design and produce the carbon fiber composite wings for Irkut's MC-21's airframe. Sukhoi is also working on what is to be Russia's fifth-generation stealth fighter, the Sukhoi Su-57. The maiden flight took place on the 29 January 2010. As of January 23, 2015, Sukhoi is currently working on a family of the regional airliner: the Sukhoi Superjet 100, such as the jet airliner Superjet 130, which would have a seating capacity of