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This report presents the results obtained from the solar cell experiment aboard the NTS-2 satellite after 1,176 dyas in orbit. The objective of the solar cell experiment is to evaluate the performance and radiation hardness of state-of-the-art solar cells in the space environment. The experiment is comprised of fifteen separate experimental modules each containing five 2 x 2 cm solar cells connected in series. The solar cell types include advanced state-of-the-art silicon solar cells such as the COMSAT CNR cell, the Spectrolab Textured Helios Reflector cell, and the Solarex Vertical Junction cell. Also included for the first time in a flight experiment is the Hughes gallium-arsenide/gallium-aluminum-arsenide cell. There are also on board experiments to evaluate environmental effects on coverslip adhesives.