Image credit: NASA

Uploader comment: ISS034-E-045751 (11 February 2013) --- Russian cosmonauts Oleg Novitskiy (left) and Roman Romanenko, both Expedition 34 flight engineers, monitor data at the manual TORU docking system controls in the Zvezda Service Module of the International Space Station during approach and docking operations of the unpiloted ISS Progress 50 resupply vehicle. Progress 50 docked with the station’s Pirs docking compartment at 3:35 pm (EST), delivering 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.