P - R
REASON
NASA’s Research, Education and Applications Solutions Network (REASoN) projects provide data products, information systems and services capabilities, and/or advanced data systems technologies integrated into the project, to address strategic needs in Earth science research, applications, and education. Forty-two projects began work in 2003 and 2004. http://earthdata.nasa.gov/our-community/community-data-system-programs/reason-projects