“The negotiations are underway, the question of financing is being discussed right now,” Chemezov said.

In service since 2007, the S-400 Triumf (NATO codename SA-21 Growler) is an anti-aircraft and anti-missile system capable of intercepting all types of modern air weaponry, including fifth-generation warplanes, as well as ballistic and cruise missiles at a maximum range of nearly 250 miles. The complex, comprising up to eight battalions, is reported to be capable of engaging up to 80 targets.

© Sputnik/ Sergey Malgavko

On Alert: Top Notch S-400 System in Crimea Achieves Full Operational Readiness

The mobile long-range surface-to-air missile system has been designed to intercept electronic warfare airplanes, as well as early-warning and surveillance aircraft amid aggressive electronic jamming, the defense analyst said.The S-400 is equipped with four types of missiles, including the very-long-range 40N6, which is said to have an operational range of 400 km (nearly 250 miles), the long-range 48N6 missiles (250 km), the medium-range 9M96E2 missiles (120 km) and the short-range 9M96E (40 km).