"03, check the fuel gauge again."
"Yes!"
Two linked trailers had slowly towed the Tengyun Aeronautic Aircraft to the start of the runway, where the four astronauts inside the cabin were rapidly carrying out pre-flight checks.
The "Tengyun" project, which started out merely as a code name for the aero-space plane, saw the Aerospace Administration brewing up other new-generation space vehicles two years ago. According to the original world line, they were set to conclude into the "Five Clouds and One Vehicle" next year.
"Flying Cloud," "Fast Cloud," "Moving Cloud," "Rainbow Cloud," "Tengyun," and "Flying Vehicle," with the first four encompassing long-endurance UAVs, airships, and satellites within a near-Earth orbit information network.
