National Institute for Resources in Science and Engineering (EA)
Radiation-Induced Surface Effect
Radioisotope Submersible Engine (SAUS)
RAM - Reliability, Availability, and Maintainability Improvement of Selected Equipment - Military (MCD)
Readiness Improvement Status Evaluation (MCD)
Readiness Improvement Summary Evaluation (MCD)
Readiness Improvement Through Systems Engineering (SAUS)
Reform of Intermediate and Secondary Education (OICC)
Regional Initiative in Science Education
Regional Initiatives in Science Education - National Academy of Sciences
Register for International Service in Education - Institute of International Education (IID)
Relative Integral Squared Error (SAUS)
Relative Integral Square Error - Statistics (IAA)
Reliability Improved Selected Equipment (SAUS)
Reliability Improvement of Selected Equipment (SAUS)
Reliability Improvement Selected Equipment (AABC)
Remote Sensing, Image and Signal Engineering (SAUS)
Research and Information Services for Education - Montgomery County Intermediate Unit - King of Prussia, PA
Research and Information State Education Trust (AIE)
Research in Science Education - National Science Foundation (GRD)
Research Institute for Small and Emerging Business
Research Institute for Software Evolution - University of Durham - United Kingdom (RCD)
Research Institute for Studies in Education - Iowa State University - Research center (RCD)
Research Institute of Science and Enginering (SAUS)
Research in Supersonic Environment
Responsible Industry for a Sound Environment (EA)
Reusable Inflatable Salvage Equipment
Ross Ice Shelf Ecosystem (SAUS)
Rulings Information System, Excise - Revenue Canada - Customs and Excise - Information service or system (CRD)
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