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Photos

Snapshots of what’s happening in the Defense Department.

A man wears laboratory glasses while looking at an object.

Lab Tour

Air Force Gen. Paul J. Selva, vice chairman of the Joint Chiefs of Staff, tours the Hydrogen and Fuel Cells Laboratories during a visit to the National Renewable Energy Laboratory in Golden, Colo., July 8, 2019. NREL facilitates the research, development, commercialization, and deployment of renewable energy and energy efficiency technologies.

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