NASA Technical Reports Server (NTRS)The NASA Technical Reports Server (NTRS) lets site visitors search or browse unclassified and publicly available NASA published documents, including meeting presentations, journal articles, conference proceedings, and technical reports. Also included are reports from NACA, NASA's predecessor agency, plus image and video files from the NASA Image Exchange (NIX) archive. The documents, which date back to 1960, are available in compressed PostScript and PDF formats.
