Location
Core missions (past activity)
Russia's closed nuclear cities (with present names)
1
Arzamas-16 (Sarov)
Weapons design
Weapons assembly/disassembly
2
Chelyabinsk-70 (Snezhinsk)
Weapons design
3
Chelyabinsk-65
Pu production
Pu and HEU storage and disposition
Radioactive waste management
Component manufacture
4
Krasnoyarsk-45 (Zheleznogorsk)
HEU production
HEU disposition
5
Pu production
Pu storage
Radioactive waste management
6
Penza-19 (Zarechny)
Weapons assembly/disassembly
7
Sverdlovsk-45 (Lesnoy)
Weapons assembly/disassembly
8
Sverdlovsk-44 (Novouralsk)
HEU production
HEU disposition
9
HEU and Pu production
Component manufacture
Pu-producing reactors
Radioactive waste management
10
Zlatoust-36 (Trekhgorny)
Weapons assembly/disassembly
Other major sites
11
Semipalatinsk
Main nuclear weapons test site
12
Murmansk
Naval refueling and fuel storage
13
Obninsk
Power and submarine reactor development
14
Severodvinsk
Submarine shipyard and icebreaker refueling
15
Vladivostok
Naval refueling and fuel storage
HEU = highly enriched uranium Pu = plutonium
