Jonny was here cheap antivert Other robotic spaceships are also responsible for taking supplies to the space station. Two firms â SpaceX and Orbital Sciences Corp. â fly missions using their unmanned spacecraft under contracts with NASA. Europe's Automated Transfer Vehicles and Japan's H-II Transfer Vehicles also visit the orbiting outpost to bring goods to the crew. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])