Summary
| Description | The fireball during the first Soviet thermonuclear test RDS-6s (Joe-4), at Semipalatinsk Test Site, Kazakhstan SSR, USSR. |
|---|---|
| Author or copyright owner |
© The Lebedev Physics Institute (FIAN), Moscow |
| Source (WP:NFCC#4) | Original publication: https://nuclearweaponarchive.org/Russia/Sovwpnprog.html Immediate source: https://nuclearweaponarchive.org/Russia/Joe43.jpg |
| Use in article (WP:NFCC#7) | RDS-6s |
| Purpose of use in article (WP:NFCC#8) | To display the detonation of the first Soviet thermonuclear weapon |
| Not replaceable with free media because (WP:NFCC#1) |
Historic and at the time classified event of which there is likely no free image |
| Minimal use (WP:NFCC#3) | Only to be used on RDS-6s page, only one of the site's three total images of RDS-6s |
| Respect for commercial opportunities (WP:NFCC#2) |
Reduced file size |
| Fair useFair use of copyrighted material in the context of RDS-6s//en.wikipedia.org/wiki/File:RDS-6s_fireball.jpgtrue | |