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NASA is launching four small satellite missions to

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do science and test new technologies.

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These shoebox-sized spacecraft

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each tackle a different challenge.

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A pair of small satellites will track each other

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and use lasers to transmit data to the ground.

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One will explore how antibiotics work in space

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to keep astronauts healthy.

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Another will test an innovative braking device

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to bring science experiments back to Earth.

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Finally, a unique antenna will send data

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back to Earth, a thousand times faster than before.

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These small spacecraft will help NASA reach