Silo One's airlock has a large yellow outer door and is remembered as the place where Donald was put to sleep.
During the evacuation, a tightly packed crowd went underground on a concrete ramp beneath a tent. When Donald was later brought back from outside, more men waited inside the airlock, and his helmet was removed before the outer door had finished closing.
The airlock's large yellow door opens toward the outside world. The investigator remembers being put to sleep there by a needle.
A large yellow door opens toward the outside world.
The airlock provides the passage between Silo One and the outside.