U.S. Guards Kazakh Fissile Material From Theft - NYTimes.com
►http://www.nytimes.com/2011/05/22/world/asia/22kazakhstan.html?_r=1&pagewanted=all
Twenty years after the Soviet Union collapsed and tens of thousands of soldiers abandoned their posts at this remote site in northeastern Kazakhstan, the footprints of another great power — the United States — are increasingly visible.(...) After above-ground testing was banned, the Soviets detonated 295 devices in 181 tunnels under the Degelen Mountains here. (...)
The first Soviet test of a hydrogen bomb in the megaton range was on Nov. 22, 1955, at the site. [Semipalatinsk], the vast test site, was unsecured for years.
#nucléaire #urss