The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
Commercial spaceport control room concept by NASA. Source:http://science.ksc.nasa.gov/shuttle/nexgen/Nexgen_Downloads/Vision_Spaceport_Report_041601.doc?bcsi_scan_2DE07CD19D2BE498=0&bcsi_scan_filename=Vision_Spaceport_Report_041601.doc {{PD-NASA}}
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