Sukhoi After the war, Sukhoi and his team were among the first Soviet aircraft designers who led the work on jet aircraft, creating several experimental jet fighters. Sukhoi started developing two jet fighters, the Sukhoi Su-5 and the Sukhoi Su-7 before 1945. The Su-5 is a mixed power jet fighter, using both a propellor and a motorjet to power it, but the experiment was later cancelled even though the fighter had a maiden flight in April 6, 1945. The Su-7 is a swept-wing, supersonic, air superiority fighter, and it was successful as it was adopted by the Soviet Air Forces in
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