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Sector Microwave Industries began producing innovative patented space switches in 1985 and no switch has ever had a failure. Sector Microwave’s legacy includes all NASA deep space probes. Beginning with the 1996 Surveyor, SMI’s custom made Hi-Rel switches have been on every Mars mission. SMI switches have also traveled to Jupiter, Saturn, Pluto, and beyond. SMI also has thousands of space switches in satellites orbiting Earth. Sector Microwave’s space heritage is unparalleled.