The vision repeats at intervals as he makes his way along the tunnel. If he looks closely, he'll notice that each time, it's close to an air vent - like it's been placed deliberately, reinforcing something in the structure of the dream.

There are no other obstacles between him and the access hatch named by the pulsing static. At the bottom of the ladder, incongruous with the rest of the environment, is a bright aluminum panel holding a hook with - is that a parachute?

There's another static crackle. This time, a voice breaks through. "...ake it. Go."

Even through the distortion, it's clearly Yelena's.