Sukhoi Su-34 On 9 July 2013, three more Su-34s were delivered in an official acceptance ceremony held at the Novosibirsk Aircraft Plant. These three aircraft were already in the new Russian Air Force camouflage scheme. By the end of 2013, Sukhoi completed the 2008 contract and started deliveries on 2012 contract. In August 2013, Sukhoi signed a contract with the Kazan-based Radiopribor holding company for 184 Identification friend or foe transponders for the Su-34 to be delivered by 2020. On 10 June 2014, Russia1 TV reported a further delivery of Su-34s was made to the 559th Regiment at Morozovsk. Another three aircraft
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 In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996.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: