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Engineers work on the High-resolution Volatiles and Minerals Moon Mapper (HVM³) for NASA's Lunar Trailblazer spacecraft in a clean room at Lockheed Martin Space in Littleton, Colorado, shortly after the instrument was delivered there in December 2022. The large silver grate wrapped in transparent plastic in the center of the image is the radiator that will maintain the instrument's temperature when in space. HVM³ is an imaging spectrometer that was developed at NASA's Jet Propulsion Laboratory in Southern California. It was shipped from JPL to Lockheed Martin Space, where it was integrated wit…