A high-resolution image of hot-launching a YJ-18.
Via Xinhui at the CDF.
This is complete picture of the YJ-83 with dual seeker.
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The second one I do not know what the heck it is, although it is clearly an antiship missile. The intakes are different from YJ-83 and the fin configuration is different.
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The YJ-83 with dual seeker looks really similar to HF-2. Even the position of the IR seeker is practically the same. HF-2 picture below
As for the second picture, isn't it Russian Kh-35/maybe it's derivative? We can see at the bottom left at least 4 launcher containers, so I think it's a screenshot of the Russian Bal/Bal-E Coastal defense complex launch exercise. I'm not sure if Russia ever markets and exported Bal/Bal-E though. Picture of Bal launcher below.
But why does an "almost horizontal booster rocket trajectory" exclude a hypersonic missile?