The J-10B has been added with an electronic-optic targeting system (EOTS) commonly found on all fourth-generation Russian fighter aircraft such as Su-27 and MiG-29.

10 B战机增加了一个光电跟踪系统(EOTS)，该系统在通常会在所有四代俄式战机上找到，比如苏- 27和米格- 29战机。

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At the same time, it will phase out the aging MiG-21 and MiG-27 fighter jets as well as the Mi-8 helicopters and Avro turboprop transport aircraft.

WSJ: India Still to Finalize Terms for Jet Deal With Dassault

India can arm two types of aircraft to do this: the MiG-27 Flogger, which was made by the old Soviet Union, and the Jaguar, which was used in a nuclear role by the British and French air forces.

ECONOMIST: South Asia’s nuclear winter | The