Sukhoi Su-30MKI global positioning system and ring laser gyroscope inertial navigation system. Phase 3 of further development of the MKI, will integrate avionic systems being developed for the Indo-Russian Fifth Generation Fighter Aircraft programme. Sukhoi Su-30MKI has electronic counter-measure systems. The RWR system is of Indian design, developed by India's DRDO, called "Tarang", ("Wave" in English). It has direction finding capability and is known to have a programmable threat library. The RWR is derived from work done on an earlier system for India's MiG-23BNs known as the Tranquil, which is now superseded by the more advanced Tarang series. Elta EL/M-8222 a self-protection
Sukhoi Su-30MKK Russia's inventory, developed by Tikhomirov, was offered to China. However, it is highly unlikely that China will adopt this newest Russian airborne radar because all models of the Su-30 series can only provide half of the power required for the 5 kW rated radar, and currently, only Sukhoi Su-35 and Sukhoi Su-37 have enough power to support this newest Russian airborne radar. Purchasing Irbis-E phased array radar would lock China into yet another deal with Russia to upgrade its Su-30MKK fleet that would greatly increase the cost, because China currently lacks the ability to do so by itself, or is