The engineering team from the Massachusetts Institute of Technology's Lincoln Laboratory in Lexington, Massachusetts perform a light leak test on the Operationally Responsive Space (ORS)-5 satellite prior to shipment for launch. ORS-5, also known as SensorSat, is a single satellite constellation with a primary mission to provide space situational awareness. It will operate from a low (zero degree inclination) orbit 372 miles above the earth to aid the U.S. military's tracking of other satellites and space debris in geosynchronous orbit, commonly used by defense-related communications satellites, television broadcasting stations, and international space platforms 22,236 miles above the equator. (Photo: MIT LL)

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Photo by: MIT |  VIRIN: 170818-F-ZZ999-101.JPG