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As to the J-15S. I guess somebody did a heck of a job of PSing the canards in there (which may be...I found the pic with a search for J-15S and it was on one of the Chinese military sites - ). I do not think the SU-30MKA has canards. No? But the long sting certainly is there, and that nix'es it for sure.....
No, it's a real image; no psed include. Simply an MKA without paint.
Cheers, Deino