NA-2 VISIT — Catherine Green, senior manager for Microsystems Engineering, Science and Applications Sustainment, right, briefs NNSA Principal Deputy Administrator Scott Pappano during a visit to the Labs on Feb. 3. During his visit, Pappano received briefings on MESA, the Annular Core Reactor Research facility, AI and quantum research, hypersonics and satellite space programs and more. He toured the Counterfeit Detection Center, the Consolidated Overhead Ground System and the Weapons Display Area. (Photo by David Lienemann)