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During STS-56, the Shuttle Pointed Autonomous Research Tool for Astronomy 201 (SPARTAN-201), a freeflying payload, was photographed by Discovery's, Orbiter Vehicle (OV) 103's, crewmembers as it drifted above the Mediterranean Sea near the island of Crete. On the mission's third day, the remote manipulator system (RMS) arm was used to lift SPARTAN-201 from its support structure in OV-103's payload bay and release it in space. SPARTAN-201 was later recaptured by OV-103's RMS and returned to Earth with the astronaut crew.
