"Until just now, I thought it was a supply vessel for the Koreans."
Valkyrien was built as a civilian supply vessel in 1981.
"Only the supply vessels are supposed to be able to dock without being destroyed by the defenses."
You could build your supply vessels to use (and survive) lithobraking.
In recent months, the aging space station has suffered a fire and had a near collision with a supply vessel.
After all, he didn't know what they would encounter on the aliens' supply vessel.
Obviously, the invaders hadn't expected anyone to board their supply vessel, or they would have paid a bit more attention to security.
Most other ships can receive replenishment from either side of the supply vessel.
An expected supply vessel had not returned before winter after which Luis deserted the monks.
As of May 2013, it operates 58 supply vessels and has 7 newbuilds under construction.