National Nuclear Security Administration

Thank you for your service: An NNSA salute

June 3, 2019

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The vital national security missions of NNSA require great skill and dedication. Many members of the workforce spend decades of their lives committed to helping protect our nation, each in their own unique way. When one of those remarkable individuals reaches a career milestone, it’s only fitting that we say, “Thank you for your service.”

Ron Baca retired from NNSA at the end of 2018.
Ron Baca retired from NNSA at the end of 2018.

Ron Baca

Ron Baca retired from NNSA at the end of 2018, concluding 35 years of exceptional service in the Nuclear Security Enterprise. He was most recently the Director of the Office of Nuclear Weapon Surety and Quality at NNSA’s Albuquerque Complex. Baca’s work in nuclear security began straight out of college as a contractor supporting the Rocky Flats Plant in Colorado. He began his federal career in the Department of Energy (DOE) in Los Alamos, New Mexico, before moving to the Albuquerque Operations Office, and then on to supporting NNSA and Defense Programs headquarters at the Albuquerque Complex.

Roger Lewis, right, and with Associate Deputy Administrator for Defense Programs Phil Calbos.
Roger Lewis, right, and with Associate Deputy Administrator for Defense Programs Phil Calbos.

Roger Lewis

After 36 years with NNSA and DOE, Roger Lewis also hung up his hat at the end of 2018. Over the years he led strategic and tactical improvements in various offices in Defense Programs. He ended his tenure as the Associate Deputy Administrator for Office of Stockpile Management. Lewis’ depth of knowledge, collaboration, and leadership shaped many aspects of NNSA missions.

“Serving in the nuclear weapons program has been the greater part of my professional life and has given me the greatest professional satisfaction,” Lewis noted. He praised his NNSA colleagues as “the foundation of that satisfaction because of (their) talent, expertise, experience, creativity, capacity for work, performance, and perseverance.”

Sachiko McAlhany with NNSA Administrator Lisa E. Gordon-Hagerty.
Sachiko McAlhany with NNSA Administrator Lisa E. Gordon-Hagerty.

Sachiko W. McAlhany

Sachiko McAlhany retired as a Senior Technical Advisor in the NNSA Office of Fissile Materials Disposition after over 25 years of service. She was recognized throughout DOE as an expert on plutonium operations and storage. Over the course of her career, she prepared and managed program plans, key studies, and National Environmental Policy Act analyses on the disposition of surplus plutonium and spent nuclear fuel. She served at the Savannah River Operations Office as a program manager and expert on the chemical processing of plutonium and uranium materials, chemical processing of spent nuclear fuel, and storage of these materials. As Senior Technical Engineer in Savannah River, McAlhany was also responsible for reviewing and approving safety reports for plutonium and uranium processing and facilities.

Prior to joining DOE, McAlhany worked for the Department of Defense at the Charleston Naval Shipyard, where she served for seven years as a Senior Nuclear Engineer responsible for the maintenance and refurbishment of naval nuclear reactor plant submarine fluid systems, piping and components.

Brig. Gen. Ron Allen with NNSA Administrator Lisa E. Gordon-Hagerty.
Brig. Gen. Ron Allen with NNSA Administrator Lisa E. Gordon-Hagerty.

Brig. Gen. Ron Allen

U.S. Air Force Brig. Gen. Ron Allen served as Principal Assistant Deputy Administrator for Military Application in the Office of Defense Programs at NNSA from July 2018 to April 2019. He oversaw stockpile management activities, major modernization programs, and secure transportation of special nuclear materials, as part of the ongoing effort to maintain an effective nuclear deterrent that is safe, secure, and reliable.

His career in the Air Force has included two years as commander of the 341st Missile Wing at Malmstrom Air Force Base in Montana, and service as vice commander of F.E. Warren Air Force Base in Wyoming. Allen’s next assignment is with the National Security Council.

NNSA Administrator Lisa E. Gordon-Hagerty presents the Administrator’s Gold Service Award to DOE’s Robert Lingan.
NNSA Administrator Lisa E. Gordon-Hagerty presents the Administrator’s Gold Service Award to DOE’s Robert Lingan.

Robert Lingan

Robert Lingan retired in May 2019, stepping down as Director of the Office of Corporate Security Strategy within the Department of Energy’s Office of the Associate Under Secretary for Environment, Health, Safety and Security. In that role, he worked closely and directly with NNSA Administrator Lisa E. Gordon-Hagerty on a variety of crucial security issues that affected both NNSA and DOE. In fact, she presented him with the Administrator’s Gold Service Award.

Over the course of a federal career beginning in 2001, Lingan served as the Director of the Office of Headquarters Security Operations, and as Acting Director and Associate Director of Operations for the DOE Office of Security. He has represented DOE in several interagency groups, including the Deputy Attorney General’s Homeland Security Working Group, one of the earliest interagency groups formed to respond to the terror attacks of 9/11.