File:Soviet super test.jpg

First Soviet test of a thermonuclear device.

From

Originally from ''USSR Nuclear Weapons Tests and Peaceful Nuclear Explosions: 1949 through 1990; The Ministry of the Russian Federation for Atomic Energy, and Ministry of Defense of the Russian Federation; ed. V. N. Mikhailov; 1996''

Fair use for Soviet atomic bomb project
The image linked here is claimed to be used under fair use as:
 * 1) it is a historically significant photo of an important event;
 * 2) it is of much lower resolution than the original (copies made from it will be of very inferior quality)
 * 3) the photo is only being used for informational purposes.
 * 4) Its inclusion in the article adds significantly to the article because it depicts one of the most important milestones of the project
 * 5) The photograph belongs to Russian department of Atomic Energy Minatom. Introducing the picture  on our server does not intervene with their ability to develop and market new nuclear devices Alex Bakharev 10:23, 15 November 2006 (UTC)