Russian Navy it operated over 1,000 fixed-wing aircraft with the majority being bombers such as the Tu-22M "Backfire" and the Tu-16 "Badger". Since the fall of the Soviet Union however, it has been significantly reduced in size. The Tu-22Ms have been transferred to the Aerospace Forces and since then the combat arm of the Naval Aviation is built around Sukhoi Su-33s, Mikoyan MiG-29Ks, with Sukhoi Su-30s and Sukhoi Su-34s replacing the obsolete Sukhoi Su-24s. As of 2007, the Russian Naval Aviation consists of the following components: The Russian Navy consists of four fleets and one flotilla with 3 of 4 fleets and
Sukhoi Su-27 by the Japan Ministry of Defense. Russia denied the incursion, saying the jets were making routine flights near the disputed Kuril Islands. In another encounter, on 23 April 2014 an Su-27 nearly collided with a United States Air Force Boeing RC-135U over the Sea of Okhotsk. Russia plans to replace the Su-27 and the Mikoyan MiG-29 eventually with the Sukhoi Su-57 stealth fifth-generation multi-role twin-engine fighter. A squadron of Su-27SM3s was deployed to Syria in November 2015 as part of the Russian military intervention in the Syrian Civil War. Ethiopian Su-27s reportedly shot down two Eritrean MiG-29s and damaged another