Sukhoi Su-57 the Su-27. Extendible refueling probe is available to further increase its range. In the Su-57's design, Sukhoi addressed what it considered to be the F-22's limitations, such as its inability to use thrust vectoring to induce roll and yaw moments and a lack of space for weapons bays between the engines, and complications for stall recovery if thrust vectoring fails. The Su-57 will be the first operational aircraft in Russian Air Force service to use stealth technology. Similar to other stealth fighters such as the F-22, the airframe incorporates planform edge alignment to reduce its radar cross-section (RCS); the leading
2015 Russian Sukhoi Su-24 shootdown commander said missiles fired from Russian warships in the Mediterranean were also hitting the area. Russian Defence Ministry spokesman Igor Konashenkov said that as soon as the pilot was rescued the groups responsible for the attack had been killed by Russian bombing and Syrian government rocket artillery. A Turkish supply convoy, reportedly carrying small arms, machine-guns and ammunition, was bombed by what is believed to have been Russian airstrikes in the northwestern town of Azaz, in north-western Syria. Claimed as an aid convoy by the Turks, no organization has as yet confirmed that the convoy belonged to them. At least