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Summary
original description: Cosmonaut Pavel V. Vinogradov (left), Expedition 13 commander representing Russia's Federal Space Agency, and astronaut Jeffrey N. Williams, NASA space station science officer and flight engineer, pause from their training schedule to pose for their official crew portrait. The two are scheduled to be launched to the International Space Station in early spring of this year in a Soyuz TMA-8 spacecraft. Photo credit: Gagarin Cosmonaut Training Center/NASA
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]