PROGRAM DETAILS - U.S. Department of Energy

Performance:
NA-10 FY 2008 PART/Joule Performance Measures
3 rd Quarter Summary
SUMMARY RYY BY NUMBER REMARK(S)
TARGETS
Directed Stockpile Work (4), Science (6), Engineering (5), Inertial Confinement
36 Fusion (4), Advanced Simulation and Computing Campaign (4), Pit (2), Readiness
(3), Readiness in Technical Base and Facilities (3), Secure Transportation Asset (5)
YELLOW 2 Inertial Confinement Fusion (1), Pit (1)
3 Directed Stockpile Work (1), Pit (1), Readiness in Technical Base and Facilities (1)
TOTAL 41
OMB PART Reviews:
FY 2004 FY 2005 FY 2006 FY 2007 FY 2008 FY 2009
Advanced Inertial Directed Stockpile Science Engineering Advanced
Simulation and Confinement Work - Moderatevl Campaign - Campaign - Simulation and
Computing Fusion Effective Moderately Moderatehl Computing
Campaign - Ignition & Effective Effective Campaign -
S Effective High Yield Effective
Campaign and
National
Ignition
Facility -
Moderately
Effective
History
Following the end of the Cold War, the United States discontinued production of new nuclear
warheads and voluntarily ended underground nuclear testing. Today, NNSA uses and oversees a
wide range of breakthrough science experiments, engineering audits and high-tech computer
simulations, including extensive laboratory and flight tests of warhead components and
subsystems, to keep the existing warheads reliable, secure, and safe. Every year, the Secretaries
of Energy and Defense have been able to certify the reliability of the stockpile without the U.S.'s
conduct of an underground nuclear test. NNSA's use of science-based research and development
in the absence of underground nuclear testing in order to maintain the portion of the Nation's
nuclear deterrent for which Department of Energy is responsible is known as the Stockpile
Stewardship Program.
I
NNSA's nuclear weapons activities are carried out in a nationwide complex of governmentowned,
contractor-operated nuclear weapons design laboratories, production facilities, and a test
site. These sites, collectively known as NNSA's nuclear weapons complex, provide the