Sukhoi Su-34 group airstrikes against targets belonging to ISIS and Jabhat al-Nusra terrorist groups in the provinces of Aleppo, Deir ez-Zor and Idlib. On August 17, 2016, Russian Su-34 bombers carried out strikes from the Hamadan airfield on the territory of the Islamic Republic of Iran against targets of the ISIS terrorist group in the province of Deir ez-Zor. Aircraft carried high-explosive bombs OFAB-500. These aircraft were used for bombing ice dams on the rivers in Vologda oblast to prevent the floods during the spring of 2016. Sukhoi Su-34 The Sukhoi Su-34 (; NATO reporting name: Fullback) is a Russian twin-engine, twin-seat,
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 In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996.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: