What is the NTRS-R?

The NTRS-R (NASA Technical Reports Server Registered) contains:

  • The complete STI collection of NASA and non-NASA aerospace materials and is available by registration only to U.S. Government civil servants, contractors, and grantees
  • Over 4.3 million metadata records
  • Over 500K full-text PDF images
  • Saved search capabilities

U.S. Civil Service, Contractors, and Grantees may fill out the NTRS-R Registration form for access to the complete collection of NASA STI.