This file has been superseded by Soyuz TM-21 Patch.png. It is recommended to use the other file. Please note that deleting superseded images requires consent.
Reason to use the other file: "A PNG version of this file is now available."
(This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).)
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]