Sukhoi Shkval Sukhoi Shkval The Sukhoi Shkval (Russian Сухой Шквал, English Squall) was a Soviet project for an interceptor in the Tail-sitter design. In 1960, the young designer Rolan G. Martirossow (who later became chief designer) began his own initiative with a team of 10 people, designing an aircraft of a completely new class - a single-seater, highly capable Tail-sitter for intercepting hunting. Soon the team got permission to work on the project in his spare time and the project got the name Shkval-1 ([Squall-1). At the same time Yakovlev worked at the Yak-36 and Hawker Siddeley at the Harrier. Both designs
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 In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996.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: