 Hoshide's first mission was as Mission Specialist onboard Space Shuttle Discovery for the STS-124 mission, which was the second of three missions to deliver the Japanese Experiment Module ("Kibo") to the ISS.STS-124 launched on 31 May 2008 from the Kennedy Space Center on its mission to the space station.Discovery and its crew docked to the International Space Station on 2 June 2008, beginning 8 days of operations to install the Japanese Experiment Module-Pressurised Module (JEM-PM).