NASA The Cygnus space freighter is attached to the Unity module

The U.S. Cygnus space freighter from Northrop Grumman is pictured in the grips of the Canadarm2 robotic arm as it was installed to the Unity module for 70 days of cargo transfers. via NASA http://www.nasa.gov/image-feature/the-cygnus-space-freighter-is-attached-to-the-unity-module