JSC2011-E-037288 (April 2011) --- Computer-generated artist?s rendering of the International Space Station as of April 22, 2011. Progress 41 resupply vehicle undocks from the Pirs Docking Compartment. Soyuz 26 (TMA-21) is docked to the Poisk Mini-Research Module 2 (MRM2) and Soyuz 25 (TMA-20) remains linked to the Rassvet Mini-Research Module 1 (MRM1). The European Space Agency's ?Johannes Kepler? Automated Transfer Vehicle-2 (ATV2) is attached to the Zvezda Service Module?s aft port. Photo credit: NASA