Year in Review 2007-2008: Goal 4: Reliable nuclear deterrence
At Los Alamos, we are committed to safe, secure, and reliable weapons systems. This year, Los Alamos achievements in this area include the production, delivery, and certification of the first plutonium pits for acceptance into the nation's nuclear weapons stockpile in almost 20 years and the certification of the Laboratory's Dual Axis Radiographic Hydrodynamic Test facility.
![Year in Review 2007-2008: Goal 4: Reliable nuclear deterrence](https://webarchive.library.unt.edu/web/20090506090709im_/http://www.lanl.gov/images/xtransparent.gif)
![Sumbarine Rhode Island](https://webarchive.library.unt.edu/web/20090506090709im_/http://www.lanl.gov/images/xtransparent.gif)
Assess the safety, reliability, and performance of LANL weapons systems
We constantly assess the nuclear weapons stockpile for safety, security, and reliability, maintain the stockpile through life extension, alternative design, pit manufacturing, and system surveillance, and endeavor to hire and keep the best technical experts in the weapons field.