A small tributary of the Volga, the Shacha, changed its location and threatened to flood the explosion site.
•
In November 1949, shortly after the test of their first nuclear device on September 23, 1949, Andrey Vyshinsky, the Soviet representative to the United Nations, delivered a statement justifying their efforts to develop their own nuclear weapons capability.
The Soviet Union conducted a much more vigorous program of 122 nuclear tests, some with multiple devices, between 1965 and 1989 under the auspices of Program No. 7-Nuclear Explosions for the National Economy.
National Football League | National Register of Historic Places | National Hockey League | England national football team | National Basketball Association | National Science Foundation | National Geographic | National Trust | National Endowment for the Arts | National Geographic Society | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Australian National University | National Guard | National Geographic Channel | National Institutes of Health | National Guard of the United States | National Collegiate Athletic Association | United States National Research Council | National Portrait Gallery | National Academy of Sciences | Indian National Congress | United States men's national soccer team | National Research Council | Royal National Theatre | National Gallery of Art | Mexico national football team | National University of Singapore |