Guardians of the International Space Station【電子書籍】[ Martha Hubbard ]

＜p＞The U.S. Space Force is the United States’ newest military branch. Among its many duties is supporting the International Space Station. More than a dozen nations, including the United States, share this orbiting spacecraft which is used for scientificresearch and technology development. Some Space Force guardians have traveled to the ISS as astronauts, but most guardians support the ISS from miles away on Earth. Part of The U.S. Space Force series, Guardians of the International Space Station discusses the history of the ISS and the Space Force’s role in keeping the structure and everyone aboard it safe.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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