490 Gemini?

It was 11 o'clock on planet Qiming. On this unknown planet, although it was daytime, the real situation was very bad. One second it was sunny as summer's day and the next, it was thunderstorms and hurricanes. The dark weather conditions and pouring rain made visibility on the monitors of the mecha drop quickly. It was pretty much the same as that night when they could not even see their own two hands.

Or perhaps, the weather was too severe. In the originally busy airspace above Area P, one could not even see a single mecha flying about.

Boom! Boom! Boom!… Among the sound of the pouring rain hitting the trees and the ground, there seemed to be some muffled sounds of engines mixed in. Perhaps the pouring rain was cutting off the noise, or perhaps these engines were on low gear. It was as though the engine sounds were there one second and gone the other, making it difficult to tell whether there were actually any engine sounds or not…