Los Alamos National Laboratory (LANL), as part of the National Nuclear Security Administration, contributes to meeting the nation’s nuclear deterrence capability and other security needs.
LANL, in partnership with Defense Programs laboratories and DOE/NNSA, has maintained the enduring nuclear stockpile without nuclear testing. National science-based Stockpile Stewardship is the program through which the safety, reliability, and performance of the United States nuclear stockpile is assured. Through Stockpile Stewardship and other programs, LANL develops and applies the best science and technology to meet national security requirements by creating and adapting capabilities to address critical mission needs.