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November 3, 2025

The Nevada Programs Office

The Los Alamos office helps streamline Lab work at the Nevada National Security Sites.

Abstracts the Nevada Programs Office Tom and Thom
Los Alamos Director Thom Mason (left) talks with Tom Sandoval of the Lab's Nevada Programs Office in front of the Icecap tower at NNSS. Credit to: Los Alamos National Laboratory

In recent years, Los Alamos National Laboratory’s work at the Nevada National Security Sites (NNSS) has increased—and will continue to increase—considerably. To help manage and coordinate this growth, the Nevada Programs Office (NPO) was established in 2020.

Npo Emblem Copy

Under the leadership of Los Alamos physicist Don Haynes, NPO oversees the execution of Los Alamos weapons and global security work—research and development as well as experimental—at NNSS. From plutonium tests at the Principal Underground Laboratory for Subcritical Experimentation to earthquake studies in Rock Valley, NPO determines what work will be done to meet weapons program needs, establishes milestones, and negotiates funding requirements.

“NPO makes use of the unique environment at NNSS to safely conduct experiments for both the Los Alamos Weapons and Global Security communities,” Haynes explains. “We can do things in Nevada that we simply can’t do anywhere else.” ★

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