
Pluto-bound New Horizons spacecraft's Pluto Energetic Particle Spectrometer Science Investigation (PEPSSI) instrument.

The Solar Wind Around Pluto (SWAP) instrument on NASA's New Horizons spacecraft.

The Radio Science Experiment (REX) that will measure atmospheric composition and temperature.

The Alice ultraviolet imaging spectrometer is on NASA's New Horizons spacecraft.

The Ralph instrument is on the New Horizons spacecraft.

Technicians install strips of the New Horizons mission decal on the spacecraft fairing in the Payload Hazardous Servicing Facility at…

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