Russian Aircraft Corporation MiG in turn replaced by Alexey Fedorov in September 2004. In 2006, the Russian government merged 100% of Mikoyan shares with Ilyushin, Irkut, Sukhoi, Tupolev, and Yakovlev as a new company named United Aircraft Corporation. Specifically, Mikoyan and Sukhoi were placed within the same operating unit. MiG failed to win any major aircraft tender in the post-Soviet era, falling behind its Russian rival Sukhoi. According to press reports, the company was shedding hundreds of employees in late 2017 due to a shortage of orders. As of 2015 the company's business offering consists mostly of modernized MiG-29 aircraft. MiG is developing a
Sukhoi Su-15 the Su-15 was abruptly retired from the new Russian Air Force in 1993 to comply with the Treaty on Conventional Armed Forces in Europe. Most were hastily scrapped in favour of more advanced interceptors, including the Su-27 and MiG-31, but some are in reserve storage for emergency use. In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996. Some Western reports indicate that the Su-15TM was also designated Su-21 and the Su-15UM Su-21U. These reports are apparently incorrect. Designation Su-21 was reserved for Su-17M4 but never used. Sukhoi Su-15 The Sukhoi Su-15 (NATO reporting name: