DescriptionRonald McNair, Guion Bluford, and Fred Gregory (S79-36529).jpg
English: Some of NASA's first African-American astronauts including Ronald McNair, Guion Bluford and Fred Gregory from the class of 1978 selection of astronauts.
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]