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The Range Safety Group (RSG) supports, through standardization, development, and continuous improvement, the safe conduct of hazardous operations on the test, training, and operational ranges and related facilities. Hazardous operations include, but are not limited to, ordnance and expendable releases, directed energy and laser operations, missile flight, use of radioactive materials, space launch and reentry, unmanned vehicle operation, gunfire, explosive use, and hazardous emissions.