Another Instrument Shut Down on Voyager 1 to Extend its Interstellar Mission

Mission engineers at NASA’s Jet Propulsion Laboratory in Southern California turned off the Low-energy Charged Particles experiment aboard Voyager 1 on April 17, 2026. Credit: NASA/JPL-Caltech

On April 17th, engineers at NASA’s Jet Propulsion Laboratory (JPL) sent commands to shut down an instrument aboard Voyager 1 called the Low-energy Charged Particles experiment, or LECP. The nuclear-powered spacecraft is running low on power, and turning off the LECP is considered the best way to keep humanity’s first interstellar explorer going.

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