A docking port at the aft of the International Space Station's Zvezda service module (far right in this depiction) is now clear after the undocking of a Russian-built Progress 19 cargo ship on March 3, 2006. The Progress 20 cargo tug (docked at Pirs compartment at mid-right) and Soyuz TMA-7 vehicle (center at Zarya module) are also shown. Credit: NASA/JSC. Click to enlarge.
