The NASA STI Repository (NTRS) launch provides access to aerospace-related citations, full-text online documents, images, and videos. The types of information included are: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA.
The STI Repository (NTRS) integrates the National Advisory Committee for Aeronautics (NACA) and NASA collections. The NACA collection includes reports from 1900 to 1958 and the NASA collection includes documents created or sponsored by NASA starting in 1958 and continuing to the present.