The Soviet MiG-17 fighter was indeed truly created to become more stable than its predecessor, The MiG-15 finished up being unstable at higher level and too tight an improvement could trigger an uncontrolled snap roll and spin. To overcome this issue, the fuselage finished up being lengthened, tiny 'fences' was arranged regarding top areas of this wing to manage airflow, plus the wings swept right back 45 levels. The excess area towards the fuselage enabled the interior design and systems become revised, and a far more angular end was added. These modifications offered the aircraft great security, necessary for a fruitful tools platform. The MiG-17 joined up with frontline solution in February, 1953. The Fresco-A maintained 1st VK-1 turbojet the MiG-15. A VK -1F motor with afterburner was in reality then worthy of the newest Fresco-C, or MiG -17F . A fixed-scan radar was placed into the MiG-17PF, or Fresco-D. The MiG-17PFU, Fresco-E, became the Soviet Union's initial interceptor having its cannon deleted and four air-to-air missiles included.