Although the aircraft was design for export only, the Russian Air Force became the first signed up in 2009. In 201 they moved the fighter jet, along with the S-400 missile defence system, to its Far East region.
Although the aircraft was initially designed for export only, the Russian Air Force became the first to sign up in 2009 and moved the fighter jet, along with the S-400 missile defense system, to its Far East region in 2016.