Edited the watermark and annoying thing on the right out:3506.
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I'll have to say I MUCH prefer these nozzles over the alleged WS-21 (black + small serrations). The purported gun port is also visible here:
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That's what I said when I saw one of the J-35As during Zhuhai sporting the same nozzles, but unfortunately I don't think that's the case. They might even be WS-13/E.Wow! I really really like these nozzles, especially the petals. Dare we say these are WS-19? (pretty please)
Cockpit look is nice; hope we see that possible new helmet soon too.