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| Engineering test satellites test advanced technologies in orbit, which will be used to improve and enhance artificial satellites. |
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| HTV is one of the unmanned orbital transport vehicles that will be used to carry supplies to the International Space Station (ISS). It is designed to transport various cargoes, instruments, and equipment to ISS, and collect wastes including used experimental set-ups and clothing from ISS for disposal. |
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| Japanese Experiment Module: JEM is Japan's first manned facility, and consists of four components. It is designed for four astronauts to perform experimental activities for an extended period of time. |
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