An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 1,764 pounds of propellant, 110 pounds of oxygen and air, 926 pounds of water and 3,000 pounds of spare parts, experiment hardware and logistics equipment ? 2.9 tons of supplies in all ? for the Expedition 34 crew members. Progress 50 docked to the station?s Pirs docking compartment at 3:35 p.m. (EST) on Feb. 11, 2013. The space freighter launched from the Baikonur Cosmodrome in Kazakhstan at 9:41 a.m. (8:41 p.m. Kazakhstan time) on an accelerated, four-orbit journey to rendezvous with the station.