Flight controllers in the International Space Station control room in Houston clap as the unpiloted Japanese H-II Transfer Vehicle (HTV) is grappled by the station's robotic arm in this image from NASA TV September 17, 2009. Station Flight Engineers Nicole Stott, Robert Thirsk and Frank De Winne used the station's arm to grab the cargo craft and attach it to the Earth-facing port of the Harmony node. REUTERS/NASA TV (UNITED STATES SCI TECH ENERGY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS