National Nuclear Security Administration

NNSA releases Stockpile Stewardship Program quarterly experiments summary

May 12, 2015

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NNSA’s current quarterly summary of experiments conducted as part of its science-based stockpile stewardship program is now available here.

The quarterly summary prepared by NNSA’s Office of Defense Programs provides descriptions of key NNSA facilities that conduct stockpile stewardship experiments. These include some of the most sophisticated scientific research facilities in the world including, the Dual Axis Radiographic Hydrodynamic Test facility at Los Alamos National Laboratory, National Ignition Facility at Lawrence Livermore National Laboratory, and the Z machine at Sandia National Laboratories. The summary also provides the number of experiments performed at each facility during each quarter.

The U.S. Stockpile Stewardship Program sustains and assesses the nuclear weapons stockpile without the use of underground nuclear tests. The experiments carried out within the program are used in combination with complex computational models and NNSA’s Advanced Simulation and Computing (ASC) Program to assess the safety, security and effectiveness of the stockpile.

NNSA BlogAbout the photo:
Subcritical experiments are conducted in the U1a complex at the Nevada National Security Site. One meter vessels, shown here, are used for these experiments to support the ongoing stockpile stewardship program efforts to assure the safety and reliability of the nation’s nuclear weapons stockpile without underground nuclear weapons testing.