1.   The other component is a second cone-shaped shuttle docking port.

2.   The other is a second shuttle docking port.

3.   The other is a second cone-shaped shuttle docking port.

4.   Crew members find refuse stuck on docking port.

5.   It now has six large modules and one small shuttle docking port that are linked, each with its own hatch.

6.   They will help move a station docking port to make room for Leonardo, the Italian-made module being ferried aboard Discovery.