Cape Canaveral FL (SPX) Apr 17, 2008 The cargo aboard the space shuttle Discovery on mission STS-124 already has traveled halfway around Earth, more than 10,000 miles over land and sea. It's now ready for the culmination of its 23-year journey to the International Space Station. Hope will take flight on Discovery. Or rather, the centerpiece of Kibo, a laboratory complex named for the Japanese word for hope, will take flight. STS-124 will launch the main segment of the Japan Aerospace Exploration Agency's - or JAXA's - station laboratory. Kibo's Japanese Pressurized Module, or JPM, is 14.4 feet in diameter...