The lava Shader produces 2 pixel wide artifacts due to breaking screen space derivatives for the texture sampling. This is happening due to handling texture wrapping in the shader instead of relying on the sampler

When multiple rockets are launched in quick succesion they will clip through eachother during flight and the rockets will always render top to bottom insead of beeing based on silo.
This results in a faster moving rocket rendering infront of a slower rocket until it is further up where the 2 rockets ...