The act of loyalty warmed him as the docking tunnel opened, spilling a welcome glow.

Nyk entered through the docking tunnel, found his seat and belted himself in.

He walked through the docking tunnel into the station's main workroom.

He boarded through the docking tunnel and took his seat.

An attendant gestured toward him and he escorted Suki through the docking tunnel into the workroom.

The forward docking hatch was mounted at the top of the docking tunnel.

It floated away, revealing the Mir astronauts at the other end of the docking tunnel.

The pair did not venture beyond the Mir's 15-foot docking tunnel.

Before the shuttle can link up with Mir, the shuttle crew has to install the docking tunnel.

The Ulio turned in to a docking tunnel, running onto Enterprise.