ISS Progress Resupply Vehicle

ISS027-E-018208 (29 April 2011) --- An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 1,940 pounds of propellant, 110 pounds of oxygen and air, 926 pounds of water and 2,976 pounds of maintenance hardware, experiment equipment and resupply items for the Expedition 27/28 crew. Progress 42 docked to the station's Pirs docking compartment at 10:28 a.m. (EDT) on April 29, 2011.