when did the soviet union test their first hydrogen bomb

when did the soviet union test their first hydrogen bomb. There are some references to when did the soviet union test their first hydrogen bomb in this article. If you are looking for when did the soviet union test their first hydrogen bomb you've came to the right place. We have posts about when did the soviet union test their first hydrogen bomb. You can check it out below.

Showing posts matching the search for when did the soviet union test their first hydrogen bomb